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392 vulnerabilities found for ios_xr by cisco
CVE-2024-20320 (GCVE-0-2024-20320)
Vulnerability from nvd – Published: 2024-03-13 16:41 – Updated: 2024-08-16 18:53
VLAI
EPSS
VEX
Summary
A vulnerability in the SSH client feature of Cisco IOS XR Software for Cisco 8000 Series Routers and Cisco Network Convergence System (NCS) 540 Series and 5700 Series Routers could allow an authenticated, local attacker to elevate privileges on an affected device.
This vulnerability is due to insufficient validation of arguments that are included with the SSH client CLI command. An attacker with low-privileged access to an affected device could exploit this vulnerability by issuing a crafted SSH client command to the CLI. A successful exploit could allow the attacker to elevate privileges to root on the affected device.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-266 - Incorrect Privilege Assignment
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
7.2.1
Affected: 7.2.2 Affected: 7.3.1 Affected: 7.3.15 Affected: 7.3.2 Affected: 7.3.3 Affected: 7.3.5 Affected: 7.4.1 Affected: 7.4.2 Affected: 7.5.1 Affected: 7.5.3 Affected: 7.5.2 Affected: 7.5.4 Affected: 7.5.5 Affected: 7.6.1 Affected: 7.6.2 Affected: 7.7.1 Affected: 7.7.2 Affected: 7.7.21 Affected: 7.8.1 Affected: 7.8.2 Affected: 7.9.1 Affected: 7.9.2 Affected: 7.9.21 Affected: 7.10.1 |
|
| cisco | ios_xr |
Affected:
7.2.1
Affected: 7.2.2 Affected: 7.3.1 Affected: 7.3.15 Affected: 7.3.2 Affected: 7.3.3 Affected: 7.3.5 Affected: 7.4.1 Affected: 7.4.2 Affected: 7.5.1 Affected: 7.5.3 Affected: 7.5.2 Affected: 7.5.4 Affected: 7.5.5 Affected: 7.6.1 Affected: 7.6.2 Affected: 7.7.1 Affected: 7.7.2 Affected: 7.7.21 Affected: 7.8.1 Affected: 7.8.2 Affected: 7.9.1 Affected: 7.9.2 Affected: 7.9.21 Affected: 7.10.1 cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:* |
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CVE-2024-20319 (GCVE-0-2024-20319)
Vulnerability from nvd – Published: 2024-03-13 16:47 – Updated: 2024-08-01 21:59
VLAI
EPSS
VEX
Summary
A vulnerability in the UDP forwarding code of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to bypass configured management plane protection policies and access the Simple Network Management Plane (SNMP) server of an affected device.
This vulnerability is due to incorrect UDP forwarding programming when using SNMP with management plane protection. An attacker could exploit this vulnerability by attempting to perform an SNMP operation using broadcast as the destination address that could be processed by an affected device that is configured with an SNMP server. A successful exploit could allow the attacker to communicate to the device on the configured SNMP ports. Although an unauthenticated attacker could send UDP datagrams to the configured SNMP port, only an authenticated user can retrieve or modify data using SNMP requests.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-284 - Improper Access Control
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
5.2.0
Affected: 5.2.1 Affected: 5.2.2 Affected: 5.2.4 Affected: 5.2.3 Affected: 5.2.5 Affected: 5.2.47 Affected: 5.3.0 Affected: 5.3.1 Affected: 5.3.2 Affected: 5.3.3 Affected: 5.3.4 Affected: 6.0.0 Affected: 6.0.1 Affected: 6.0.2 Affected: 6.1.1 Affected: 6.1.2 Affected: 6.1.3 Affected: 6.1.4 Affected: 6.1.12 Affected: 6.1.22 Affected: 6.1.32 Affected: 6.1.36 Affected: 6.1.42 Affected: 6.2.1 Affected: 6.2.2 Affected: 6.2.3 Affected: 6.2.25 Affected: 6.2.11 Affected: 6.3.2 Affected: 6.3.3 Affected: 6.3.15 Affected: 6.4.1 Affected: 6.4.2 Affected: 6.4.3 Affected: 6.5.1 Affected: 6.5.2 Affected: 6.5.3 Affected: 6.5.25 Affected: 6.5.26 Affected: 6.5.28 Affected: 6.5.29 Affected: 6.5.32 Affected: 6.5.33 Affected: 6.6.2 Affected: 6.6.3 Affected: 6.6.25 Affected: 6.6.4 Affected: 7.0.1 Affected: 7.0.2 Affected: 7.0.12 Affected: 7.0.14 Affected: 7.1.1 Affected: 7.1.15 Affected: 7.1.2 Affected: 7.1.3 Affected: 6.7.1 Affected: 6.7.2 Affected: 6.7.3 Affected: 6.7.4 Affected: 7.2.0 Affected: 7.2.1 Affected: 7.2.2 Affected: 7.3.1 Affected: 7.3.15 Affected: 7.3.2 Affected: 7.3.3 Affected: 7.3.5 Affected: 7.3.6 Affected: 7.4.1 Affected: 7.4.2 Affected: 6.8.1 Affected: 6.8.2 Affected: 7.5.1 Affected: 7.5.3 Affected: 7.5.2 Affected: 7.5.4 Affected: 7.5.5 Affected: 7.6.1 Affected: 7.6.2 Affected: 7.7.1 Affected: 7.7.2 Affected: 7.7.21 Affected: 6.9.1 Affected: 6.9.2 Affected: 7.8.1 Affected: 7.8.2 Affected: 7.9.1 Affected: 7.9.2 Affected: 7.9.21 Affected: 7.10.1 Affected: 7.10.2 Affected: 7.11.1 |
|
| cisco | ios_xr |
Affected:
5.2.0
Affected: 5.2.1 Affected: 5.2.2 Affected: 5.2.4 Affected: 5.2.3 Affected: 5.2.5 Affected: 5.2.47 Affected: 5.3.0 Affected: 5.3.1 Affected: 5.3.2 Affected: 5.3.3 Affected: 5.3.4 Affected: 6.0.0 Affected: 6.0.1 Affected: 6.0.2 Affected: 6.1.1 Affected: 6.1.2 Affected: 6.1.3 Affected: 6.1.4 Affected: 6.1.12 Affected: 6.1.22 Affected: 6.1.32 Affected: 6.1.36 Affected: 6.1.42 Affected: 6.2.1 Affected: 6.2.2 Affected: 6.2.3 Affected: 6.2.25 Affected: 6.2.11 Affected: 6.3.2 Affected: 6.3.3 Affected: 6.3.15 Affected: 6.4.1 Affected: 6.4.2 Affected: 6.4.3 Affected: 6.5.1 Affected: 6.5.2 Affected: 6.5.3 Affected: 6.5.25 Affected: 6.5.26 Affected: 6.5.28 Affected: 6.5.29 Affected: 6.5.32 Affected: 6.5.33 Affected: 6.6.2 Affected: 6.6.3 Affected: 6.6.25 Affected: 6.6.4 Affected: 7.0.1 Affected: 7.0.2 Affected: 7.0.12 Affected: 7.0.14 Affected: 7.1.1 Affected: 7.1.15 Affected: 7.1.2 Affected: 7.1.3 Affected: 6.7.1 Affected: 6.7.2 Affected: 6.7.3 Affected: 6.7.4 Affected: 7.2.0 Affected: 7.2.1 Affected: 7.2.2 Affected: 7.3.1 Affected: 7.3.15 Affected: 7.3.2 Affected: 7.3.3 Affected: 7.3.5 Affected: 7.3.6 Affected: 7.4.1 Affected: 7.4.2 Affected: 6.8.1 Affected: 6.8.2 Affected: 7.5.1 Affected: 7.5.3 Affected: 7.5.2 Affected: 7.5.4 Affected: 7.5.5 Affected: 7.6.1 Affected: 7.6.2 Affected: 7.7.1 Affected: 7.7.2 Affected: 7.7.21 Affected: 6.9.1 Affected: 6.9.2 Affected: 7.8.1 Affected: 7.8.2 Affected: 7.9.1 Affected: 7.9.2 Affected: 7.9.21 Affected: 7.10.1 Affected: 7.10.2 Affected: 7.11.1 cpe:2.3:o:cisco:ios_xr:5.2.0:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:5.2.1:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:5.2.2:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:5.2.4:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:5.2.3:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:5.2.5:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:5.2.47:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:5.3.0:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:5.3.1:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:5.3.2:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:5.3.3:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:5.3.4:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:6.0.0:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:6.0.1:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:6.0.2:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:6.1.1:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:6.1.2:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:6.1.3:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:6.1.4:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:6.1.12:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:6.1.22:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:6.1.32:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:6.1.36:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:6.1.42:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:6.2.1:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:6.2.2:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:6.2.3:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:6.2.25:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:6.2.11:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:6.3.2:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:6.3.3:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:6.3.15:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:6.4.1:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:6.4.2:*:*:*:*:*:*:* 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CVE-2023-44487 (GCVE-0-2023-44487)
Vulnerability from nvd – Published: 2023-10-10 00:00 – Updated: 2026-07-14 12:03Summary
The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
Severity
7.5 (High)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
173 references
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| ietf | http |
Affected:
2.0
cpe:2.3:a:ietf:http:2.0:*:*:*:*:*:*:* |
|
| Siemens | RUGGEDCOM APE1808 |
Affected:
0 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
|
| Siemens | SINEC NMS |
Affected:
0 , < V3.0
(custom)
|
|
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
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"url": "https://github.com/nghttp2/nghttp2/pull/1961"
},
{
"url": "https://github.com/netty/netty/commit/58f75f665aa81a8cbcf6ffa74820042a285c5e61"
},
{
"url": "https://github.com/alibaba/tengine/issues/1872"
},
{
"url": "https://github.com/apache/tomcat/tree/main/java/org/apache/coyote/http2"
},
{
"url": "https://news.ycombinator.com/item?id=37830987"
},
{
"url": "https://news.ycombinator.com/item?id=37830998"
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{
"url": "https://github.com/caddyserver/caddy/issues/5877"
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{
"url": "https://www.bleepingcomputer.com/news/security/new-http-2-rapid-reset-zero-day-attack-breaks-ddos-records/"
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{
"url": "https://github.com/bcdannyboy/CVE-2023-44487"
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{
"url": "https://github.com/grpc/grpc-go/pull/6703"
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{
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{
"url": "https://github.com/nghttp2/nghttp2/releases/tag/v1.57.0"
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{
"url": "https://mailman.nginx.org/pipermail/nginx-devel/2023-October/S36Q5HBXR7CAIMPLLPRSSSYR4PCMWILK.html"
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{
"url": "https://my.f5.com/manage/s/article/K000137106"
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{
"url": "https://msrc.microsoft.com/blog/2023/10/microsoft-response-to-distributed-denial-of-service-ddos-attacks-against-http/2/"
},
{
"url": "https://bugzilla.proxmox.com/show_bug.cgi?id=4988"
},
{
"url": "https://cgit.freebsd.org/ports/commit/?id=c64c329c2c1752f46b73e3e6ce9f4329be6629f9"
},
{
"name": "[oss-security] 20231010 Re: CVE-2023-44487: HTTP/2 Rapid Reset attack against many implementations",
"tags": [
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"url": "http://www.openwall.com/lists/oss-security/2023/10/10/7"
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{
"name": "[oss-security] 20231010 CVE-2023-44487: HTTP/2 Rapid Reset attack against many implementations",
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{
"url": "https://seanmonstar.com/post/730794151136935936/hyper-http2-rapid-reset-unaffected"
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{
"url": "https://github.com/microsoft/CBL-Mariner/pull/6381"
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{
"url": "https://groups.google.com/g/golang-announce/c/iNNxDTCjZvo"
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{
"url": "https://github.com/facebook/proxygen/pull/466"
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{
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{
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{
"url": "https://edg.io/lp/blog/resets-leaks-ddos-and-the-tale-of-a-hidden-cve"
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{
"url": "https://openssf.org/blog/2023/10/10/http-2-rapid-reset-vulnerability-highlights-need-for-rapid-response/"
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{
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{
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{
"url": "https://github.com/nodejs/node/pull/50121"
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{
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{
"url": "https://github.com/golang/go/issues/63417"
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{
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{
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{
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-44487"
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{
"url": "https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.14"
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{
"url": "https://lists.apache.org/thread/5py8h42mxfsn8l1wy6o41xwhsjlsd87q"
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{
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{
"url": "https://www.haproxy.com/blog/haproxy-is-not-affected-by-the-http-2-rapid-reset-attack-cve-2023-44487"
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{
"url": "https://github.com/opensearch-project/data-prepper/issues/3474"
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{
"url": "https://github.com/kubernetes/kubernetes/pull/121120"
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{
"url": "https://github.com/oqtane/oqtane.framework/discussions/3367"
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{
"url": "https://github.com/advisories/GHSA-xpw8-rcwv-8f8p"
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{
"url": "https://netty.io/news/2023/10/10/4-1-100-Final.html"
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{
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{
"url": "https://www.theregister.com/2023/10/10/http2_rapid_reset_zeroday/"
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{
"url": "https://github.com/kazu-yamamoto/http2/issues/93"
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{
"url": "https://martinthomson.github.io/h2-stream-limits/draft-thomson-httpbis-h2-stream-limits.html"
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{
"url": "https://access.redhat.com/security/cve/cve-2023-44487"
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{
"url": "https://github.com/ninenines/cowboy/issues/1615"
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{
"url": "https://github.com/varnishcache/varnish-cache/issues/3996"
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"url": "https://github.com/etcd-io/etcd/issues/16740"
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{
"url": "https://www.darkreading.com/cloud/internet-wide-zero-day-bug-fuels-largest-ever-ddos-event"
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{
"url": "https://istio.io/latest/news/security/istio-security-2023-004/"
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"url": "https://ubuntu.com/security/CVE-2023-44487"
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{
"url": "https://community.traefik.io/t/is-traefik-vulnerable-to-cve-2023-44487/20125"
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{
"url": "https://github.com/advisories/GHSA-qppj-fm5r-hxr3"
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{
"url": "https://github.com/apache/httpd-site/pull/10"
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{
"url": "https://github.com/projectcontour/contour/pull/5826"
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{
"url": "https://github.com/linkerd/website/pull/1695/commits/4b9c6836471bc8270ab48aae6fd2181bc73fd632"
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{
"url": "https://github.com/line/armeria/pull/5232"
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{
"url": "https://blog.litespeedtech.com/2023/10/11/rapid-reset-http-2-vulnerablilty/"
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{
"url": "https://security.paloaltonetworks.com/CVE-2023-44487"
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{
"url": "https://github.com/akka/akka-http/issues/4323"
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{
"url": "https://github.com/openresty/openresty/issues/930"
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{
"url": "https://github.com/apache/apisix/issues/10320"
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{
"url": "https://github.com/Azure/AKS/issues/3947"
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{
"url": "https://github.com/Kong/kong/discussions/11741"
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{
"url": "https://github.com/arkrwn/PoC/tree/main/CVE-2023-44487"
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{
"url": "https://www.netlify.com/blog/netlify-successfully-mitigates-cve-2023-44487/"
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{
"url": "https://github.com/caddyserver/caddy/releases/tag/v2.7.5"
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{
"name": "[debian-lts-announce] 20231013 [SECURITY] [DLA 3617-1] tomcat9 security update",
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{
"url": "https://arstechnica.com/security/2023/10/how-ddosers-used-the-http-2-protocol-to-deliver-attacks-of-unprecedented-size/"
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"url": "https://security.netapp.com/advisory/ntap-20231016-0001/"
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{
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{
"url": "https://discuss.hashicorp.com/t/hcsec-2023-32-vault-consul-and-boundary-affected-by-http-2-rapid-reset-denial-of-service-vulnerability-cve-2023-44487/59715"
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},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2023-44487",
"datePublished": "2023-10-10T00:00:00.000Z",
"dateReserved": "2023-09-29T00:00:00.000Z",
"dateUpdated": "2026-07-14T12:03:17.389Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2023-20236 (GCVE-0-2023-20236)
Vulnerability from nvd – Published: 2023-09-13 16:39 – Updated: 2025-12-16 18:23
VLAI
EPSS
VEX
Summary
A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local attacker to install an unverified software image on an affected device.
This vulnerability is due to insufficient image verification. An attacker could exploit this vulnerability by manipulating the boot parameters for image verification during the iPXE boot process on an affected device. A successful exploit could allow the attacker to boot an unverified software image on the affected device.
Severity
6.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
5.2.0
Affected: 5.2.1 Affected: 5.2.2 Affected: 5.2.4 Affected: 5.2.3 Affected: 5.2.5 Affected: 5.2.47 Affected: 5.3.0 Affected: 5.3.1 Affected: 5.3.2 Affected: 5.3.3 Affected: 5.3.4 Affected: 6.0.0 Affected: 6.0.1 Affected: 6.0.2 Affected: 6.1.1 Affected: 6.1.2 Affected: 6.1.3 Affected: 6.1.4 Affected: 6.1.12 Affected: 6.1.22 Affected: 6.1.32 Affected: 6.1.36 Affected: 6.1.42 Affected: 6.2.1 Affected: 6.2.2 Affected: 6.2.3 Affected: 6.2.25 Affected: 6.2.11 Affected: 6.3.2 Affected: 6.3.3 Affected: 6.3.15 Affected: 6.4.1 Affected: 6.4.2 Affected: 6.4.3 Affected: 6.5.1 Affected: 6.5.2 Affected: 6.5.3 Affected: 6.5.25 Affected: 6.5.26 Affected: 6.5.28 Affected: 6.5.29 Affected: 6.5.32 Affected: 6.5.33 Affected: 6.6.2 Affected: 6.6.3 Affected: 6.6.25 Affected: 6.6.4 Affected: 7.0.1 Affected: 7.0.2 Affected: 7.0.12 Affected: 7.0.14 Affected: 7.1.1 Affected: 7.1.15 Affected: 7.1.2 Affected: 7.1.3 Affected: 6.7.1 Affected: 6.7.2 Affected: 6.7.3 Affected: 6.7.4 Affected: 7.2.0 Affected: 7.2.1 Affected: 7.2.2 Affected: 7.3.1 Affected: 7.3.15 Affected: 7.3.2 Affected: 7.3.3 Affected: 7.3.5 Affected: 7.4.1 Affected: 7.4.2 Affected: 6.8.1 Affected: 6.8.2 Affected: 7.5.1 Affected: 7.5.3 Affected: 7.5.2 Affected: 7.5.4 Affected: 7.6.1 Affected: 7.6.2 Affected: 7.7.1 Affected: 7.7.2 Affected: 7.7.21 Affected: 6.9.1 Affected: 6.9.2 Affected: 7.8.1 Affected: 7.8.2 Affected: 7.9.1 Affected: 7.9.2 |
|
| cisco | ios_xr_software |
Affected:
0 , ≤ 7.9.2
(custom)
cpe:2.3:o:cisco:ios_xr_software:*:*:*:*:*:*:*:* |
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CVE-2023-20233 (GCVE-0-2023-20233)
Vulnerability from nvd – Published: 2023-09-13 16:40 – Updated: 2024-08-02 09:05
VLAI
EPSS
VEX
Summary
A vulnerability in the Connectivity Fault Management (CFM) feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
This vulnerability is due to incorrect processing of invalid continuity check messages (CCMs). An attacker could exploit this vulnerability by sending crafted CCMs to an affected device. A successful exploit could allow the attacker to cause the CFM service to crash when a user displays information about maintenance end points (MEPs) for peer MEPs on an affected device.
Severity
4.3 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
5.2.0
Affected: 5.2.1 Affected: 5.2.2 Affected: 5.2.4 Affected: 5.2.3 Affected: 5.2.5 Affected: 5.3.0 Affected: 5.3.1 Affected: 5.3.2 Affected: 5.3.3 Affected: 5.3.4 Affected: 6.1.1 Affected: 6.1.2 Affected: 6.1.3 Affected: 6.1.4 Affected: 6.2.1 Affected: 6.2.2 Affected: 6.2.3 Affected: 6.2.25 Affected: 6.3.2 Affected: 6.3.3 Affected: 6.3.15 Affected: 6.4.1 Affected: 6.4.2 Affected: 6.4.3 Affected: 6.5.1 Affected: 6.5.2 Affected: 6.6.2 Affected: 6.6.3 Affected: 6.6.25 Affected: 6.6.4 Affected: 7.0.1 Affected: 7.0.2 Affected: 7.1.1 Affected: 7.1.15 Affected: 7.1.2 Affected: 7.1.3 Affected: 6.7.1 Affected: 6.7.2 Affected: 6.7.3 Affected: 6.7.4 Affected: 7.2.1 Affected: 7.2.2 Affected: 7.3.1 Affected: 7.3.2 Affected: 7.3.3 Affected: 7.4.1 Affected: 7.4.2 Affected: 6.8.1 Affected: 6.8.2 Affected: 7.5.1 Affected: 7.5.3 Affected: 7.5.2 Affected: 7.6.1 Affected: 7.6.2 Affected: 7.7.1 Affected: 7.7.2 Affected: 6.9.1 Affected: 6.9.2 |
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CVE-2023-20191 (GCVE-0-2023-20191)
Vulnerability from nvd – Published: 2023-09-13 16:41 – Updated: 2024-08-02 09:05
VLAI
EPSS
VEX
Summary
A vulnerability in the access control list (ACL) processing on MPLS interfaces in the ingress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL.
This vulnerability is due to incomplete support for this feature. An attacker could exploit this vulnerability by attempting to send traffic through an affected device. A successful exploit could allow the attacker to bypass an ACL on the affected device.
There are workarounds that address this vulnerability.
This advisory is part of the September 2023 release of the Cisco IOS XR Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: September 2023 Semiannual Cisco IOS XR Software Security Advisory Bundled Publication .
Severity
5.8 (Medium)
CWE
- CWE-284 - Improper Access Control
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
6.4.1
Affected: 6.5.1 Affected: 6.5.2 Affected: 6.5.3 Affected: 6.6.2 Affected: 6.6.3 Affected: 6.6.25 Affected: 6.6.4 Affected: 7.0.1 Affected: 7.0.2 Affected: 7.1.1 Affected: 7.1.2 Affected: 7.2.1 Affected: 7.2.2 Affected: 7.3.1 Affected: 7.3.2 Affected: 7.3.3 Affected: 7.3.5 Affected: 7.4.1 Affected: 7.4.2 Affected: 7.5.1 Affected: 7.5.3 Affected: 7.5.2 Affected: 7.5.4 Affected: 7.6.1 Affected: 7.6.2 Affected: 7.7.1 Affected: 7.7.2 Affected: 7.8.1 Affected: 7.8.2 Affected: 7.9.1 |
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CVE-2023-20190 (GCVE-0-2023-20190)
Vulnerability from nvd – Published: 2023-09-13 16:43 – Updated: 2024-08-02 09:05
VLAI
EPSS
VEX
Summary
A vulnerability in the classic access control list (ACL) compression feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass the protection that is offered by a configured ACL on an affected device.
This vulnerability is due to incorrect destination address range encoding in the compression module of an ACL that is applied to an interface of an affected device. An attacker could exploit this vulnerability by sending traffic through the affected device that should be denied by the configured ACL. A successful exploit could allow the attacker to bypass configured ACL protections on the affected device, allowing the attacker to access trusted networks that the device might be protecting.
There are workarounds that address this vulnerability.
This advisory is part of the September 2023 release of the Cisco IOS XR Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: September 2023 Semiannual Cisco IOS XR Software Security Advisory Bundled Publication .
Severity
5.8 (Medium)
CWE
- CWE-264 - Permissions, Privileges, and Access Control
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
5.2.0
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CVE-2023-20135 (GCVE-0-2023-20135)
Vulnerability from nvd – Published: 2023-09-13 16:38 – Updated: 2025-12-16 18:23
VLAI
EPSS
VEX
Summary
A vulnerability in Cisco IOS XR Software image verification checks could allow an authenticated, local attacker to execute arbitrary code on the underlying operating system.
This vulnerability is due to a time-of-check, time-of-use (TOCTOU) race condition when an install query regarding an ISO image is performed during an install operation that uses an ISO image. An attacker could exploit this vulnerability by modifying an ISO image and then carrying out install requests in parallel. A successful exploit could allow the attacker to execute arbitrary code on an affected device.
Severity
5.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
7.5.3
Affected: 7.5.2 Affected: 7.5.4 Affected: 7.7.1 Affected: 7.7.2 Affected: 7.7.21 Affected: 7.8.1 Affected: 7.8.2 Affected: 7.9.1 Affected: 7.9.2 |
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CVE-2023-20064 (GCVE-0-2023-20064)
Vulnerability from nvd – Published: 2023-03-09 00:00 – Updated: 2024-10-25 16:03
VLAI
EPSS
VEX
Title
Cisco IOS XR Software Bootloader Unauthenticated Information Disclosure Vulnerability
Summary
A vulnerability in the GRand Unified Bootloader (GRUB) for Cisco IOS XR Software could allow an unauthenticated attacker with physical access to the device to view sensitive files on the console using the GRUB bootloader command line. This vulnerability is due to the inclusion of unnecessary commands within the GRUB environment that allow sensitive files to be viewed. An attacker could exploit this vulnerability by being connected to the console port of the Cisco IOS XR device when the device is power-cycled. A successful exploit could allow the attacker to view sensitive files that could be used to conduct additional attacks against the device.
Severity
4.6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://sec.cloudapps.cisco.com/security/center/c… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
n/a
|
Date Public
2023-03-08 00:00
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CVE-2023-20049 (GCVE-0-2023-20049)
Vulnerability from nvd – Published: 2023-03-09 00:00 – Updated: 2024-10-28 16:33
VLAI
EPSS
VEX
Title
Cisco IOS XR Software for ASR 9000 Series Routers Bidirectional Forwarding Detection Denial of Service Vulnerability
Summary
A vulnerability in the bidirectional forwarding detection (BFD) hardware offload feature of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers, ASR 9902 Compact High-Performance Routers, and ASR 9903 Compact High-Performance Routers could allow an unauthenticated, remote attacker to cause a line card to reset, resulting in a denial of service (DoS) condition. This vulnerability is due to the incorrect handling of malformed BFD packets that are received on line cards where the BFD hardware offload feature is enabled. An attacker could exploit this vulnerability by sending a crafted IPv4 BFD packet to an affected device. A successful exploit could allow the attacker to cause line card exceptions or a hard reset, resulting in loss of traffic over that line card while the line card reloads.
Severity
8.6 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://sec.cloudapps.cisco.com/security/center/c… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
n/a
|
Date Public
2023-03-08 00:00
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CVE-2022-20821 (GCVE-0-2022-20821)
Vulnerability from nvd – Published: 2022-05-26 14:00 – Updated: 2025-10-21 23:15Title
Cisco IOS XR Software Health Check Open Port Vulnerability
Summary
A vulnerability in the health check RPM of Cisco IOS XR Software could allow an unauthenticated, remote attacker to access the Redis instance that is running within the NOSi container. This vulnerability exists because the health check RPM opens TCP port 6379 by default upon activation. An attacker could exploit this vulnerability by connecting to the Redis instance on the open port. A successful exploit could allow the attacker to write to the Redis in-memory database, write arbitrary files to the container filesystem, and retrieve information about the Redis database. Given the configuration of the sandboxed container that the Redis instance runs in, a remote attacker would be unable to execute remote code or abuse the integrity of the Cisco IOS XR Software host system.
Severity
6.5 (Medium)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
n/a
|
Date Public
2022-05-20 00:00
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CVE-2022-20758 (GCVE-0-2022-20758)
Vulnerability from nvd – Published: 2022-04-15 14:20 – Updated: 2024-11-06 16:24
VLAI
EPSS
VEX
Title
Cisco IOS XR Software Border Gateway Protocol Ethernet VPN Denial of Service Vulnerability
Summary
A vulnerability in the implementation of the Border Gateway Protocol (BGP) Ethernet VPN (EVPN) functionality in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to the incorrect processing of a BGP update message that contains specific EVPN attributes. An attacker could exploit this vulnerability by sending a BGP update message that contains specific EVPN attributes. To exploit this vulnerability, an attacker must control a BGP speaker that has an established trusted peer connection to an affected device that is configured with the address family L2VPN EVPN to receive and process the update message. This vulnerability cannot be exploited by any data that is initiated by clients on the Layer 2 network or by peers that are not configured to accept the L2VPN EVPN address family. A successful exploit could allow the attacker to cause the BGP process to restart unexpectedly, resulting in a DoS condition. The Cisco implementation of BGP accepts incoming BGP updates only from explicitly defined peers. For this vulnerability to be exploited, the malicious BGP update message must either come from a configured, valid BGP peer or be injected by the attacker into the affected BGP network on an existing, valid TCP connection to a BGP peer.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
n/a
|
Date Public
2022-04-13 00:00
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CVE-2022-20714 (GCVE-0-2022-20714)
Vulnerability from nvd – Published: 2022-04-15 14:15 – Updated: 2024-11-06 16:27
VLAI
EPSS
VEX
Title
Cisco IOS XR Software for ASR 9000 Series Routers Lightspeed-Plus Line Cards Denial of Service Vulnerability
Summary
A vulnerability in the data plane microcode of Lightspeed-Plus line cards for Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to cause the line card to reset. This vulnerability is due to the incorrect handling of malformed packets that are received on the Lightspeed-Plus line cards. An attacker could exploit this vulnerability by sending a crafted IPv4 or IPv6 packet through an affected device. A successful exploit could allow the attacker to cause the Lightspeed-Plus line card to reset, resulting in a denial of service (DoS) condition for any traffic that traverses that line card.
Severity
8.6 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
n/a
|
Date Public
2022-04-13 00:00
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CVE-2021-40120 (GCVE-0-2021-40120)
Vulnerability from nvd – Published: 2021-11-04 15:35 – Updated: 2024-11-07 21:43
VLAI
EPSS
VEX
Title
Cisco Small Business RV Series Routers Command Injection Vulnerability
Summary
A vulnerability in the web-based management interface of certain Cisco Small Business RV Series Routers could allow an authenticated, remote attacker with administrative privileges to inject arbitrary commands into the underlying operating system and execute them using root-level privileges. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending malicious input to a specific field in the web-based management interface of an affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying Linux operating system as a user with root-level privileges.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Small Business RV Series Router Firmware |
Affected:
n/a
|
Date Public
2021-11-03 00:00
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N",
"version": "3.0"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-20"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "20211103 Cisco Small Business RV Series Routers Command Injection Vulnerability",
"refsource": "CISCO",
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sbrv-cmdinjection-Z5cWFdK"
}
]
},
"source": {
"advisory": "cisco-sa-sbrv-cmdinjection-Z5cWFdK",
"defect": [
[
"CSCvz75703",
"CSCvz75705"
]
],
"discovery": "INTERNAL"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2021-40120",
"datePublished": "2021-11-04T15:35:56.894Z",
"dateReserved": "2021-08-25T00:00:00.000Z",
"dateUpdated": "2024-11-07T21:43:34.339Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
CVE-2024-20319 (GCVE-0-2024-20319)
Vulnerability from cvelistv5 – Published: 2024-03-13 16:47 – Updated: 2024-08-01 21:59
VLAI
EPSS
VEX
Summary
A vulnerability in the UDP forwarding code of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to bypass configured management plane protection policies and access the Simple Network Management Plane (SNMP) server of an affected device.
This vulnerability is due to incorrect UDP forwarding programming when using SNMP with management plane protection. An attacker could exploit this vulnerability by attempting to perform an SNMP operation using broadcast as the destination address that could be processed by an affected device that is configured with an SNMP server. A successful exploit could allow the attacker to communicate to the device on the configured SNMP ports. Although an unauthenticated attacker could send UDP datagrams to the configured SNMP port, only an authenticated user can retrieve or modify data using SNMP requests.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-284 - Improper Access Control
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
5.2.0
Affected: 5.2.1 Affected: 5.2.2 Affected: 5.2.4 Affected: 5.2.3 Affected: 5.2.5 Affected: 5.2.47 Affected: 5.3.0 Affected: 5.3.1 Affected: 5.3.2 Affected: 5.3.3 Affected: 5.3.4 Affected: 6.0.0 Affected: 6.0.1 Affected: 6.0.2 Affected: 6.1.1 Affected: 6.1.2 Affected: 6.1.3 Affected: 6.1.4 Affected: 6.1.12 Affected: 6.1.22 Affected: 6.1.32 Affected: 6.1.36 Affected: 6.1.42 Affected: 6.2.1 Affected: 6.2.2 Affected: 6.2.3 Affected: 6.2.25 Affected: 6.2.11 Affected: 6.3.2 Affected: 6.3.3 Affected: 6.3.15 Affected: 6.4.1 Affected: 6.4.2 Affected: 6.4.3 Affected: 6.5.1 Affected: 6.5.2 Affected: 6.5.3 Affected: 6.5.25 Affected: 6.5.26 Affected: 6.5.28 Affected: 6.5.29 Affected: 6.5.32 Affected: 6.5.33 Affected: 6.6.2 Affected: 6.6.3 Affected: 6.6.25 Affected: 6.6.4 Affected: 7.0.1 Affected: 7.0.2 Affected: 7.0.12 Affected: 7.0.14 Affected: 7.1.1 Affected: 7.1.15 Affected: 7.1.2 Affected: 7.1.3 Affected: 6.7.1 Affected: 6.7.2 Affected: 6.7.3 Affected: 6.7.4 Affected: 7.2.0 Affected: 7.2.1 Affected: 7.2.2 Affected: 7.3.1 Affected: 7.3.15 Affected: 7.3.2 Affected: 7.3.3 Affected: 7.3.5 Affected: 7.3.6 Affected: 7.4.1 Affected: 7.4.2 Affected: 6.8.1 Affected: 6.8.2 Affected: 7.5.1 Affected: 7.5.3 Affected: 7.5.2 Affected: 7.5.4 Affected: 7.5.5 Affected: 7.6.1 Affected: 7.6.2 Affected: 7.7.1 Affected: 7.7.2 Affected: 7.7.21 Affected: 6.9.1 Affected: 6.9.2 Affected: 7.8.1 Affected: 7.8.2 Affected: 7.9.1 Affected: 7.9.2 Affected: 7.9.21 Affected: 7.10.1 Affected: 7.10.2 Affected: 7.11.1 |
|
| cisco | ios_xr |
Affected:
5.2.0
Affected: 5.2.1 Affected: 5.2.2 Affected: 5.2.4 Affected: 5.2.3 Affected: 5.2.5 Affected: 5.2.47 Affected: 5.3.0 Affected: 5.3.1 Affected: 5.3.2 Affected: 5.3.3 Affected: 5.3.4 Affected: 6.0.0 Affected: 6.0.1 Affected: 6.0.2 Affected: 6.1.1 Affected: 6.1.2 Affected: 6.1.3 Affected: 6.1.4 Affected: 6.1.12 Affected: 6.1.22 Affected: 6.1.32 Affected: 6.1.36 Affected: 6.1.42 Affected: 6.2.1 Affected: 6.2.2 Affected: 6.2.3 Affected: 6.2.25 Affected: 6.2.11 Affected: 6.3.2 Affected: 6.3.3 Affected: 6.3.15 Affected: 6.4.1 Affected: 6.4.2 Affected: 6.4.3 Affected: 6.5.1 Affected: 6.5.2 Affected: 6.5.3 Affected: 6.5.25 Affected: 6.5.26 Affected: 6.5.28 Affected: 6.5.29 Affected: 6.5.32 Affected: 6.5.33 Affected: 6.6.2 Affected: 6.6.3 Affected: 6.6.25 Affected: 6.6.4 Affected: 7.0.1 Affected: 7.0.2 Affected: 7.0.12 Affected: 7.0.14 Affected: 7.1.1 Affected: 7.1.15 Affected: 7.1.2 Affected: 7.1.3 Affected: 6.7.1 Affected: 6.7.2 Affected: 6.7.3 Affected: 6.7.4 Affected: 7.2.0 Affected: 7.2.1 Affected: 7.2.2 Affected: 7.3.1 Affected: 7.3.15 Affected: 7.3.2 Affected: 7.3.3 Affected: 7.3.5 Affected: 7.3.6 Affected: 7.4.1 Affected: 7.4.2 Affected: 6.8.1 Affected: 6.8.2 Affected: 7.5.1 Affected: 7.5.3 Affected: 7.5.2 Affected: 7.5.4 Affected: 7.5.5 Affected: 7.6.1 Affected: 7.6.2 Affected: 7.7.1 Affected: 7.7.2 Affected: 7.7.21 Affected: 6.9.1 Affected: 6.9.2 Affected: 7.8.1 Affected: 7.8.2 Affected: 7.9.1 Affected: 7.9.2 Affected: 7.9.21 Affected: 7.10.1 Affected: 7.10.2 Affected: 7.11.1 cpe:2.3:o:cisco:ios_xr:5.2.0:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:5.2.1:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:5.2.2:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:5.2.4:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:5.2.3:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:5.2.5:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:5.2.47:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:5.3.0:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:5.3.1:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:5.3.2:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xr:5.3.3:*:*:*:*:*:*:* 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{
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CVE-2024-20322 (GCVE-0-2024-20322)
Vulnerability from cvelistv5 – Published: 2024-03-13 16:43 – Updated: 2024-08-02 19:49
VLAI
EPSS
VEX
Summary
A vulnerability in the access control list (ACL) processing on Pseudowire interfaces in the ingress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL.
This vulnerability is due to improper assignment of lookup keys to internal interface contexts. An attacker could exploit this vulnerability by attempting to send traffic through an affected device. A successful exploit could allow the attacker to access resources behind the affected device that were supposed to be protected by a configured ACL.
Severity
5.8 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-284 - Improper Access Control
Assigner
References
1 reference
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
7.10.2
Affected: 7.11.1 |
|
| cisco | ios_xr_software |
Affected:
7.10.2
cpe:2.3:a:cisco:ios_xr_software:7.10.2:*:*:*:*:*:*:* |
|
| cisco | ios_xr_software |
Affected:
7.11.1
cpe:2.3:a:cisco:ios_xr_software:7.11.1:*:*:*:*:*:*:* |
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CVE-2024-20320 (GCVE-0-2024-20320)
Vulnerability from cvelistv5 – Published: 2024-03-13 16:41 – Updated: 2024-08-16 18:53
VLAI
EPSS
VEX
Summary
A vulnerability in the SSH client feature of Cisco IOS XR Software for Cisco 8000 Series Routers and Cisco Network Convergence System (NCS) 540 Series and 5700 Series Routers could allow an authenticated, local attacker to elevate privileges on an affected device.
This vulnerability is due to insufficient validation of arguments that are included with the SSH client CLI command. An attacker with low-privileged access to an affected device could exploit this vulnerability by issuing a crafted SSH client command to the CLI. A successful exploit could allow the attacker to elevate privileges to root on the affected device.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-266 - Incorrect Privilege Assignment
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
7.2.1
Affected: 7.2.2 Affected: 7.3.1 Affected: 7.3.15 Affected: 7.3.2 Affected: 7.3.3 Affected: 7.3.5 Affected: 7.4.1 Affected: 7.4.2 Affected: 7.5.1 Affected: 7.5.3 Affected: 7.5.2 Affected: 7.5.4 Affected: 7.5.5 Affected: 7.6.1 Affected: 7.6.2 Affected: 7.7.1 Affected: 7.7.2 Affected: 7.7.21 Affected: 7.8.1 Affected: 7.8.2 Affected: 7.9.1 Affected: 7.9.2 Affected: 7.9.21 Affected: 7.10.1 |
|
| cisco | ios_xr |
Affected:
7.2.1
Affected: 7.2.2 Affected: 7.3.1 Affected: 7.3.15 Affected: 7.3.2 Affected: 7.3.3 Affected: 7.3.5 Affected: 7.4.1 Affected: 7.4.2 Affected: 7.5.1 Affected: 7.5.3 Affected: 7.5.2 Affected: 7.5.4 Affected: 7.5.5 Affected: 7.6.1 Affected: 7.6.2 Affected: 7.7.1 Affected: 7.7.2 Affected: 7.7.21 Affected: 7.8.1 Affected: 7.8.2 Affected: 7.9.1 Affected: 7.9.2 Affected: 7.9.21 Affected: 7.10.1 cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:* |
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CVE-2024-20327 (GCVE-0-2024-20327)
Vulnerability from cvelistv5 – Published: 2024-03-13 16:40 – Updated: 2024-08-01 21:59
VLAI
EPSS
VEX
Summary
A vulnerability in the PPP over Ethernet (PPPoE) termination feature of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, adjacent attacker to crash the ppp_ma process, resulting in a denial of service (DoS) condition.
This vulnerability is due to the improper handling of malformed PPPoE packets that are received on a router that is running Broadband Network Gateway (BNG) functionality with PPPoE termination on a Lightspeed-based or Lightspeed-Plus-based line card. An attacker could exploit this vulnerability by sending a crafted PPPoE packet to an affected line card interface that does not terminate PPPoE. A successful exploit could allow the attacker to crash the ppp_ma process, resulting in a DoS condition for PPPoE traffic across the router.
Severity
7.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
5.2.0
Affected: 5.2.2 Affected: 5.2.4 Affected: 5.3.0 Affected: 5.3.1 Affected: 5.3.2 Affected: 5.3.3 Affected: 5.3.4 Affected: 6.0.0 Affected: 6.0.1 Affected: 6.0.2 Affected: 6.1.1 Affected: 6.1.2 Affected: 6.1.3 Affected: 6.1.4 Affected: 6.2.1 Affected: 6.2.2 Affected: 6.2.3 Affected: 6.2.25 Affected: 6.3.2 Affected: 6.3.3 Affected: 6.4.1 Affected: 6.4.2 Affected: 6.5.1 Affected: 6.5.2 Affected: 6.5.3 Affected: 6.6.2 Affected: 6.6.3 Affected: 6.6.25 Affected: 7.0.1 Affected: 7.0.2 Affected: 7.1.1 Affected: 7.1.15 Affected: 7.1.2 Affected: 7.1.3 Affected: 6.7.1 Affected: 6.7.2 Affected: 6.7.3 Affected: 7.3.1 Affected: 7.3.2 Affected: 7.3.3 Affected: 7.3.5 Affected: 7.4.1 Affected: 7.4.2 Affected: 6.8.1 Affected: 6.8.2 Affected: 7.5.1 Affected: 7.5.3 Affected: 7.5.2 Affected: 7.5.4 Affected: 7.5.5 Affected: 7.6.1 Affected: 7.6.2 Affected: 7.7.1 Affected: 7.7.2 Affected: 6.9.1 Affected: 6.9.2 Affected: 7.8.1 Affected: 7.8.2 Affected: 7.9.1 Affected: 7.9.2 |
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CVE-2023-44487 (GCVE-0-2023-44487)
Vulnerability from cvelistv5 – Published: 2023-10-10 00:00 – Updated: 2026-07-14 12:03Summary
The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
Severity
7.5 (High)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
173 references
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| ietf | http |
Affected:
2.0
cpe:2.3:a:ietf:http:2.0:*:*:*:*:*:*:* |
|
| Siemens | RUGGEDCOM APE1808 |
Affected:
0 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
|
| Siemens | SINEC NMS |
Affected:
0 , < V3.0
(custom)
|
|
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
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{
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"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-http2-reset-d8Kf32vZ"
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},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2023-44487",
"datePublished": "2023-10-10T00:00:00.000Z",
"dateReserved": "2023-09-29T00:00:00.000Z",
"dateUpdated": "2026-07-14T12:03:17.389Z",
"state": "PUBLISHED"
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"dataVersion": "5.2"
}
CVE-2023-20190 (GCVE-0-2023-20190)
Vulnerability from cvelistv5 – Published: 2023-09-13 16:43 – Updated: 2024-08-02 09:05
VLAI
EPSS
VEX
Summary
A vulnerability in the classic access control list (ACL) compression feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass the protection that is offered by a configured ACL on an affected device.
This vulnerability is due to incorrect destination address range encoding in the compression module of an ACL that is applied to an interface of an affected device. An attacker could exploit this vulnerability by sending traffic through the affected device that should be denied by the configured ACL. A successful exploit could allow the attacker to bypass configured ACL protections on the affected device, allowing the attacker to access trusted networks that the device might be protecting.
There are workarounds that address this vulnerability.
This advisory is part of the September 2023 release of the Cisco IOS XR Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: September 2023 Semiannual Cisco IOS XR Software Security Advisory Bundled Publication .
Severity
5.8 (Medium)
CWE
- CWE-264 - Permissions, Privileges, and Access Control
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
5.2.0
Affected: 5.2.1 Affected: 5.2.2 Affected: 5.2.4 Affected: 5.2.3 Affected: 5.2.5 Affected: 5.2.47 Affected: 5.3.0 Affected: 5.3.1 Affected: 5.3.2 Affected: 5.3.3 Affected: 5.3.4 Affected: 6.0.0 Affected: 6.0.1 Affected: 6.0.2 Affected: 6.1.1 Affected: 6.1.2 Affected: 6.1.3 Affected: 6.1.4 Affected: 6.1.12 Affected: 6.1.22 Affected: 6.1.32 Affected: 6.1.36 Affected: 6.1.42 Affected: 6.2.1 Affected: 6.2.2 Affected: 6.2.3 Affected: 6.2.25 Affected: 6.2.11 Affected: 6.3.2 Affected: 6.3.3 Affected: 6.3.15 Affected: 6.4.1 Affected: 6.4.2 Affected: 6.4.3 Affected: 6.5.1 Affected: 6.5.2 Affected: 6.5.3 Affected: 6.5.25 Affected: 6.5.26 Affected: 6.5.28 Affected: 6.5.29 Affected: 6.5.32 Affected: 6.5.33 Affected: 6.6.2 Affected: 6.6.3 Affected: 6.6.25 Affected: 6.6.4 Affected: 7.0.1 Affected: 7.0.2 Affected: 7.0.12 Affected: 7.0.14 Affected: 7.1.1 Affected: 7.1.15 Affected: 7.1.2 Affected: 7.1.3 Affected: 6.7.1 Affected: 6.7.2 Affected: 6.7.3 Affected: 6.7.4 Affected: 7.2.0 Affected: 7.2.1 Affected: 7.2.2 Affected: 7.3.1 Affected: 7.3.15 Affected: 7.3.2 Affected: 7.3.3 Affected: 7.4.1 Affected: 7.4.2 Affected: 6.8.1 Affected: 6.8.2 Affected: 7.5.1 Affected: 7.5.3 Affected: 7.5.2 Affected: 7.6.1 Affected: 7.6.2 Affected: 7.7.1 Affected: 7.7.2 Affected: 6.9.1 Affected: 6.9.2 Affected: 7.8.1 |
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T09:05:35.387Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"name": "cisco-sa-comp3acl-vGmp6BQ3",
"tags": [
"x_transferred"
],
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-comp3acl-vGmp6BQ3"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "Cisco IOS XR Software",
"vendor": "Cisco",
"versions": [
{
"status": "affected",
"version": "5.2.0"
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{
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{
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"version": "5.2.2"
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{
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"version": "5.2.4"
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{
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"version": "5.2.3"
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{
"status": "affected",
"version": "5.2.5"
},
{
"status": "affected",
"version": "5.2.47"
},
{
"status": "affected",
"version": "5.3.0"
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{
"status": "affected",
"version": "5.3.1"
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{
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},
{
"status": "affected",
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{
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{
"status": "affected",
"version": "6.0.0"
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{
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{
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},
{
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"version": "6.1.1"
},
{
"status": "affected",
"version": "6.1.2"
},
{
"status": "affected",
"version": "6.1.3"
},
{
"status": "affected",
"version": "6.1.4"
},
{
"status": "affected",
"version": "6.1.12"
},
{
"status": "affected",
"version": "6.1.22"
},
{
"status": "affected",
"version": "6.1.32"
},
{
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},
{
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},
{
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},
{
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{
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{
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{
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{
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{
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{
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{
"status": "affected",
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{
"status": "affected",
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},
{
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},
{
"status": "affected",
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{
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{
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{
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},
{
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},
{
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{
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{
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{
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"version": "6.6.2"
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{
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},
{
"status": "affected",
"version": "6.6.25"
},
{
"status": "affected",
"version": "6.6.4"
},
{
"status": "affected",
"version": "7.0.1"
},
{
"status": "affected",
"version": "7.0.2"
},
{
"status": "affected",
"version": "7.0.12"
},
{
"status": "affected",
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{
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"version": "7.1.1"
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{
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{
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{
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{
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{
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{
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},
{
"status": "affected",
"version": "6.7.4"
},
{
"status": "affected",
"version": "7.2.0"
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{
"status": "affected",
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},
{
"status": "affected",
"version": "7.2.2"
},
{
"status": "affected",
"version": "7.3.1"
},
{
"status": "affected",
"version": "7.3.15"
},
{
"status": "affected",
"version": "7.3.2"
},
{
"status": "affected",
"version": "7.3.3"
},
{
"status": "affected",
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},
{
"status": "affected",
"version": "7.4.2"
},
{
"status": "affected",
"version": "6.8.1"
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{
"status": "affected",
"version": "6.8.2"
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{
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"version": "7.5.1"
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{
"status": "affected",
"version": "7.5.3"
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{
"status": "affected",
"version": "7.5.2"
},
{
"status": "affected",
"version": "7.6.1"
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{
"status": "affected",
"version": "7.6.2"
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{
"status": "affected",
"version": "7.7.1"
},
{
"status": "affected",
"version": "7.7.2"
},
{
"status": "affected",
"version": "6.9.1"
},
{
"status": "affected",
"version": "6.9.2"
},
{
"status": "affected",
"version": "7.8.1"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the classic access control list (ACL) compression feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass the protection that is offered by a configured ACL on an affected device.\r\n\r This vulnerability is due to incorrect destination address range encoding in the compression module of an ACL that is applied to an interface of an affected device. An attacker could exploit this vulnerability by sending traffic through the affected device that should be denied by the configured ACL. A successful exploit could allow the attacker to bypass configured ACL protections on the affected device, allowing the attacker to access trusted networks that the device might be protecting.\r\n\r There are workarounds that address this vulnerability.\r\n\r \r\n\r \r This advisory is part of the September 2023 release of the Cisco IOS XR Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: September 2023 Semiannual Cisco IOS XR Software Security Advisory Bundled Publication ."
}
],
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CVE-2023-20191 (GCVE-0-2023-20191)
Vulnerability from cvelistv5 – Published: 2023-09-13 16:41 – Updated: 2024-08-02 09:05
VLAI
EPSS
VEX
Summary
A vulnerability in the access control list (ACL) processing on MPLS interfaces in the ingress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL.
This vulnerability is due to incomplete support for this feature. An attacker could exploit this vulnerability by attempting to send traffic through an affected device. A successful exploit could allow the attacker to bypass an ACL on the affected device.
There are workarounds that address this vulnerability.
This advisory is part of the September 2023 release of the Cisco IOS XR Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: September 2023 Semiannual Cisco IOS XR Software Security Advisory Bundled Publication .
Severity
5.8 (Medium)
CWE
- CWE-284 - Improper Access Control
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
6.4.1
Affected: 6.5.1 Affected: 6.5.2 Affected: 6.5.3 Affected: 6.6.2 Affected: 6.6.3 Affected: 6.6.25 Affected: 6.6.4 Affected: 7.0.1 Affected: 7.0.2 Affected: 7.1.1 Affected: 7.1.2 Affected: 7.2.1 Affected: 7.2.2 Affected: 7.3.1 Affected: 7.3.2 Affected: 7.3.3 Affected: 7.3.5 Affected: 7.4.1 Affected: 7.4.2 Affected: 7.5.1 Affected: 7.5.3 Affected: 7.5.2 Affected: 7.5.4 Affected: 7.6.1 Affected: 7.6.2 Affected: 7.7.1 Affected: 7.7.2 Affected: 7.8.1 Affected: 7.8.2 Affected: 7.9.1 |
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CVE-2023-20233 (GCVE-0-2023-20233)
Vulnerability from cvelistv5 – Published: 2023-09-13 16:40 – Updated: 2024-08-02 09:05
VLAI
EPSS
VEX
Summary
A vulnerability in the Connectivity Fault Management (CFM) feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
This vulnerability is due to incorrect processing of invalid continuity check messages (CCMs). An attacker could exploit this vulnerability by sending crafted CCMs to an affected device. A successful exploit could allow the attacker to cause the CFM service to crash when a user displays information about maintenance end points (MEPs) for peer MEPs on an affected device.
Severity
4.3 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
5.2.0
Affected: 5.2.1 Affected: 5.2.2 Affected: 5.2.4 Affected: 5.2.3 Affected: 5.2.5 Affected: 5.3.0 Affected: 5.3.1 Affected: 5.3.2 Affected: 5.3.3 Affected: 5.3.4 Affected: 6.1.1 Affected: 6.1.2 Affected: 6.1.3 Affected: 6.1.4 Affected: 6.2.1 Affected: 6.2.2 Affected: 6.2.3 Affected: 6.2.25 Affected: 6.3.2 Affected: 6.3.3 Affected: 6.3.15 Affected: 6.4.1 Affected: 6.4.2 Affected: 6.4.3 Affected: 6.5.1 Affected: 6.5.2 Affected: 6.6.2 Affected: 6.6.3 Affected: 6.6.25 Affected: 6.6.4 Affected: 7.0.1 Affected: 7.0.2 Affected: 7.1.1 Affected: 7.1.15 Affected: 7.1.2 Affected: 7.1.3 Affected: 6.7.1 Affected: 6.7.2 Affected: 6.7.3 Affected: 6.7.4 Affected: 7.2.1 Affected: 7.2.2 Affected: 7.3.1 Affected: 7.3.2 Affected: 7.3.3 Affected: 7.4.1 Affected: 7.4.2 Affected: 6.8.1 Affected: 6.8.2 Affected: 7.5.1 Affected: 7.5.3 Affected: 7.5.2 Affected: 7.6.1 Affected: 7.6.2 Affected: 7.7.1 Affected: 7.7.2 Affected: 6.9.1 Affected: 6.9.2 |
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CVE-2023-20236 (GCVE-0-2023-20236)
Vulnerability from cvelistv5 – Published: 2023-09-13 16:39 – Updated: 2025-12-16 18:23
VLAI
EPSS
VEX
Summary
A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local attacker to install an unverified software image on an affected device.
This vulnerability is due to insufficient image verification. An attacker could exploit this vulnerability by manipulating the boot parameters for image verification during the iPXE boot process on an affected device. A successful exploit could allow the attacker to boot an unverified software image on the affected device.
Severity
6.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
5.2.0
Affected: 5.2.1 Affected: 5.2.2 Affected: 5.2.4 Affected: 5.2.3 Affected: 5.2.5 Affected: 5.2.47 Affected: 5.3.0 Affected: 5.3.1 Affected: 5.3.2 Affected: 5.3.3 Affected: 5.3.4 Affected: 6.0.0 Affected: 6.0.1 Affected: 6.0.2 Affected: 6.1.1 Affected: 6.1.2 Affected: 6.1.3 Affected: 6.1.4 Affected: 6.1.12 Affected: 6.1.22 Affected: 6.1.32 Affected: 6.1.36 Affected: 6.1.42 Affected: 6.2.1 Affected: 6.2.2 Affected: 6.2.3 Affected: 6.2.25 Affected: 6.2.11 Affected: 6.3.2 Affected: 6.3.3 Affected: 6.3.15 Affected: 6.4.1 Affected: 6.4.2 Affected: 6.4.3 Affected: 6.5.1 Affected: 6.5.2 Affected: 6.5.3 Affected: 6.5.25 Affected: 6.5.26 Affected: 6.5.28 Affected: 6.5.29 Affected: 6.5.32 Affected: 6.5.33 Affected: 6.6.2 Affected: 6.6.3 Affected: 6.6.25 Affected: 6.6.4 Affected: 7.0.1 Affected: 7.0.2 Affected: 7.0.12 Affected: 7.0.14 Affected: 7.1.1 Affected: 7.1.15 Affected: 7.1.2 Affected: 7.1.3 Affected: 6.7.1 Affected: 6.7.2 Affected: 6.7.3 Affected: 6.7.4 Affected: 7.2.0 Affected: 7.2.1 Affected: 7.2.2 Affected: 7.3.1 Affected: 7.3.15 Affected: 7.3.2 Affected: 7.3.3 Affected: 7.3.5 Affected: 7.4.1 Affected: 7.4.2 Affected: 6.8.1 Affected: 6.8.2 Affected: 7.5.1 Affected: 7.5.3 Affected: 7.5.2 Affected: 7.5.4 Affected: 7.6.1 Affected: 7.6.2 Affected: 7.7.1 Affected: 7.7.2 Affected: 7.7.21 Affected: 6.9.1 Affected: 6.9.2 Affected: 7.8.1 Affected: 7.8.2 Affected: 7.9.1 Affected: 7.9.2 |
|
| cisco | ios_xr_software |
Affected:
0 , ≤ 7.9.2
(custom)
cpe:2.3:o:cisco:ios_xr_software:*:*:*:*:*:*:*:* |
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CVE-2023-20135 (GCVE-0-2023-20135)
Vulnerability from cvelistv5 – Published: 2023-09-13 16:38 – Updated: 2025-12-16 18:23
VLAI
EPSS
VEX
Summary
A vulnerability in Cisco IOS XR Software image verification checks could allow an authenticated, local attacker to execute arbitrary code on the underlying operating system.
This vulnerability is due to a time-of-check, time-of-use (TOCTOU) race condition when an install query regarding an ISO image is performed during an install operation that uses an ISO image. An attacker could exploit this vulnerability by modifying an ISO image and then carrying out install requests in parallel. A successful exploit could allow the attacker to execute arbitrary code on an affected device.
Severity
5.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
7.5.3
Affected: 7.5.2 Affected: 7.5.4 Affected: 7.7.1 Affected: 7.7.2 Affected: 7.7.21 Affected: 7.8.1 Affected: 7.8.2 Affected: 7.9.1 Affected: 7.9.2 |
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CVE-2023-20049 (GCVE-0-2023-20049)
Vulnerability from cvelistv5 – Published: 2023-03-09 00:00 – Updated: 2024-10-28 16:33
VLAI
EPSS
VEX
Title
Cisco IOS XR Software for ASR 9000 Series Routers Bidirectional Forwarding Detection Denial of Service Vulnerability
Summary
A vulnerability in the bidirectional forwarding detection (BFD) hardware offload feature of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers, ASR 9902 Compact High-Performance Routers, and ASR 9903 Compact High-Performance Routers could allow an unauthenticated, remote attacker to cause a line card to reset, resulting in a denial of service (DoS) condition. This vulnerability is due to the incorrect handling of malformed BFD packets that are received on line cards where the BFD hardware offload feature is enabled. An attacker could exploit this vulnerability by sending a crafted IPv4 BFD packet to an affected device. A successful exploit could allow the attacker to cause line card exceptions or a hard reset, resulting in loss of traffic over that line card while the line card reloads.
Severity
8.6 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://sec.cloudapps.cisco.com/security/center/c… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
n/a
|
Date Public
2023-03-08 00:00
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CVE-2023-20064 (GCVE-0-2023-20064)
Vulnerability from cvelistv5 – Published: 2023-03-09 00:00 – Updated: 2024-10-25 16:03
VLAI
EPSS
VEX
Title
Cisco IOS XR Software Bootloader Unauthenticated Information Disclosure Vulnerability
Summary
A vulnerability in the GRand Unified Bootloader (GRUB) for Cisco IOS XR Software could allow an unauthenticated attacker with physical access to the device to view sensitive files on the console using the GRUB bootloader command line. This vulnerability is due to the inclusion of unnecessary commands within the GRUB environment that allow sensitive files to be viewed. An attacker could exploit this vulnerability by being connected to the console port of the Cisco IOS XR device when the device is power-cycled. A successful exploit could allow the attacker to view sensitive files that could be used to conduct additional attacks against the device.
Severity
4.6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://sec.cloudapps.cisco.com/security/center/c… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
n/a
|
Date Public
2023-03-08 00:00
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CVE-2022-20821 (GCVE-0-2022-20821)
Vulnerability from cvelistv5 – Published: 2022-05-26 14:00 – Updated: 2025-10-21 23:15Title
Cisco IOS XR Software Health Check Open Port Vulnerability
Summary
A vulnerability in the health check RPM of Cisco IOS XR Software could allow an unauthenticated, remote attacker to access the Redis instance that is running within the NOSi container. This vulnerability exists because the health check RPM opens TCP port 6379 by default upon activation. An attacker could exploit this vulnerability by connecting to the Redis instance on the open port. A successful exploit could allow the attacker to write to the Redis in-memory database, write arbitrary files to the container filesystem, and retrieve information about the Redis database. Given the configuration of the sandboxed container that the Redis instance runs in, a remote attacker would be unable to execute remote code or abuse the integrity of the Cisco IOS XR Software host system.
Severity
6.5 (Medium)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
n/a
|
Date Public
2022-05-20 00:00
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CVE-2022-20758 (GCVE-0-2022-20758)
Vulnerability from cvelistv5 – Published: 2022-04-15 14:20 – Updated: 2024-11-06 16:24
VLAI
EPSS
VEX
Title
Cisco IOS XR Software Border Gateway Protocol Ethernet VPN Denial of Service Vulnerability
Summary
A vulnerability in the implementation of the Border Gateway Protocol (BGP) Ethernet VPN (EVPN) functionality in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to the incorrect processing of a BGP update message that contains specific EVPN attributes. An attacker could exploit this vulnerability by sending a BGP update message that contains specific EVPN attributes. To exploit this vulnerability, an attacker must control a BGP speaker that has an established trusted peer connection to an affected device that is configured with the address family L2VPN EVPN to receive and process the update message. This vulnerability cannot be exploited by any data that is initiated by clients on the Layer 2 network or by peers that are not configured to accept the L2VPN EVPN address family. A successful exploit could allow the attacker to cause the BGP process to restart unexpectedly, resulting in a DoS condition. The Cisco implementation of BGP accepts incoming BGP updates only from explicitly defined peers. For this vulnerability to be exploited, the malicious BGP update message must either come from a configured, valid BGP peer or be injected by the attacker into the affected BGP network on an existing, valid TCP connection to a BGP peer.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
n/a
|
Date Public
2022-04-13 00:00
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CVE-2022-20714 (GCVE-0-2022-20714)
Vulnerability from cvelistv5 – Published: 2022-04-15 14:15 – Updated: 2024-11-06 16:27
VLAI
EPSS
VEX
Title
Cisco IOS XR Software for ASR 9000 Series Routers Lightspeed-Plus Line Cards Denial of Service Vulnerability
Summary
A vulnerability in the data plane microcode of Lightspeed-Plus line cards for Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to cause the line card to reset. This vulnerability is due to the incorrect handling of malformed packets that are received on the Lightspeed-Plus line cards. An attacker could exploit this vulnerability by sending a crafted IPv4 or IPv6 packet through an affected device. A successful exploit could allow the attacker to cause the Lightspeed-Plus line card to reset, resulting in a denial of service (DoS) condition for any traffic that traverses that line card.
Severity
8.6 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
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| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
n/a
|
Date Public
2022-04-13 00:00
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CVE-2021-40120 (GCVE-0-2021-40120)
Vulnerability from cvelistv5 – Published: 2021-11-04 15:35 – Updated: 2024-11-07 21:43
VLAI
EPSS
VEX
Title
Cisco Small Business RV Series Routers Command Injection Vulnerability
Summary
A vulnerability in the web-based management interface of certain Cisco Small Business RV Series Routers could allow an authenticated, remote attacker with administrative privileges to inject arbitrary commands into the underlying operating system and execute them using root-level privileges. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending malicious input to a specific field in the web-based management interface of an affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying Linux operating system as a user with root-level privileges.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Small Business RV Series Router Firmware |
Affected:
n/a
|
Date Public
2021-11-03 00:00
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