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GHSA-H59X-F52X-4WXJ
Vulnerability from github – Published: 2024-03-27 18:32 – Updated: 2024-03-27 18:32
VLAI
Details
A vulnerability in the Intermediate System-to-Intermediate System (IS-IS) protocol of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device.
This vulnerability is due to insufficient input validation when parsing an ingress IS-IS packet. An attacker could exploit this vulnerability by sending a crafted IS-IS packet to an affected device after forming an adjacency. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.
Note: The IS-IS protocol is a routing protocol. To exploit this vulnerability, an attacker must be Layer 2-adjacent to the affected device and have formed an adjacency.
Severity
7.4 (High)
{
"affected": [],
"aliases": [
"CVE-2024-20312"
],
"database_specific": {
"cwe_ids": [
"CWE-476"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-03-27T17:15:52Z",
"severity": "HIGH"
},
"details": "A vulnerability in the Intermediate System-to-Intermediate System (IS-IS) protocol of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device.\n\n This vulnerability is due to insufficient input validation when parsing an ingress IS-IS packet. An attacker could exploit this vulnerability by sending a crafted IS-IS packet to an affected device after forming an adjacency. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.\n\n Note: The IS-IS protocol is a routing protocol. To exploit this vulnerability, an attacker must be Layer 2-adjacent to the affected device and have formed an adjacency.",
"id": "GHSA-h59x-f52x-4wxj",
"modified": "2024-03-27T18:32:38Z",
"published": "2024-03-27T18:32:38Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-20312"
},
{
"type": "WEB",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-isis-sGjyOUHX"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
CVE-2024-20312 (GCVE-0-2024-20312)
Vulnerability from cvelistv5 – Published: 2024-03-27 16:56 – Updated: 2025-08-26 20:06
VLAI
EPSS
VEX
Summary
A vulnerability in the Intermediate System-to-Intermediate System (IS-IS) protocol of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device.
This vulnerability is due to insufficient input validation when parsing an ingress IS-IS packet. An attacker could exploit this vulnerability by sending a crafted IS-IS packet to an affected device after forming an adjacency. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.
Note: The IS-IS protocol is a routing protocol. To exploit this vulnerability, an attacker must be Layer 2-adjacent to the affected device and have formed an adjacency.
Severity
7.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-03-28 18:01 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | IOS |
Affected:
15.2(1)S
Affected: 15.2(2)S Affected: 15.2(1)S1 Affected: 15.2(4)S Affected: 15.2(1)S2 Affected: 15.2(2)S1 Affected: 15.2(2)S2 Affected: 15.2(2)S0a Affected: 15.2(2)S0c Affected: 15.2(4)S1 Affected: 15.2(4)S4 Affected: 15.2(4)S6 Affected: 15.2(4)S2 Affected: 15.2(4)S5 Affected: 15.2(4)S3 Affected: 15.2(4)S3a Affected: 15.2(4)S4a Affected: 15.2(4)S7 Affected: 15.3(1)T Affected: 15.3(2)T Affected: 15.3(1)T1 Affected: 15.3(1)T2 Affected: 15.3(1)T3 Affected: 15.3(1)T4 Affected: 15.3(2)T1 Affected: 15.3(2)T2 Affected: 15.3(2)T3 Affected: 15.3(2)T4 Affected: 15.1(2)SG Affected: 15.1(2)SG1 Affected: 15.1(2)SG2 Affected: 15.1(2)SG3 Affected: 15.1(2)SG4 Affected: 15.1(2)SG5 Affected: 15.1(2)SG6 Affected: 15.1(2)SG7 Affected: 15.1(2)SG8 Affected: 15.2(4)M Affected: 15.2(4)M1 Affected: 15.2(4)M2 Affected: 15.2(4)M4 Affected: 15.2(4)M3 Affected: 15.2(4)M5 Affected: 15.2(4)M8 Affected: 15.2(4)M10 Affected: 15.2(4)M7 Affected: 15.2(4)M6 Affected: 15.2(4)M9 Affected: 15.2(4)M6a Affected: 15.2(4)M11 Affected: 15.0(1)EX Affected: 15.2(3)GC Affected: 15.2(3)GC1 Affected: 15.2(4)GC Affected: 15.2(4)GC1 Affected: 15.2(4)GC2 Affected: 15.2(4)GC3 Affected: 15.1(1)SY Affected: 15.1(1)SY1 Affected: 15.1(2)SY Affected: 15.1(2)SY1 Affected: 15.1(2)SY2 Affected: 15.1(1)SY2 Affected: 15.1(1)SY3 Affected: 15.1(2)SY3 Affected: 15.1(1)SY4 Affected: 15.1(2)SY4 Affected: 15.1(1)SY5 Affected: 15.1(2)SY5 Affected: 15.1(2)SY4a Affected: 15.1(1)SY6 Affected: 15.1(2)SY6 Affected: 15.1(2)SY7 Affected: 15.1(2)SY8 Affected: 15.1(2)SY9 Affected: 15.1(2)SY10 Affected: 15.1(2)SY11 Affected: 15.1(2)SY12 Affected: 15.1(2)SY13 Affected: 15.1(2)SY14 Affected: 15.1(2)SY15 Affected: 15.1(2)SY16 Affected: 15.3(1)S Affected: 15.3(2)S Affected: 15.3(3)S Affected: 15.3(1)S2 Affected: 15.3(1)S1 Affected: 15.3(2)S2 Affected: 15.3(2)S1 Affected: 15.3(3)S1 Affected: 15.3(3)S2 Affected: 15.3(3)S3 Affected: 15.3(3)S6 Affected: 15.3(3)S4 Affected: 15.3(3)S1a Affected: 15.3(3)S5 Affected: 15.3(3)S7 Affected: 15.3(3)S8 Affected: 15.3(3)S9 Affected: 15.3(3)S10 Affected: 15.3(3)S8a Affected: 15.4(1)T Affected: 15.4(2)T Affected: 15.4(1)T2 Affected: 15.4(1)T1 Affected: 15.4(1)T3 Affected: 15.4(2)T1 Affected: 15.4(2)T3 Affected: 15.4(2)T2 Affected: 15.4(1)T4 Affected: 15.4(2)T4 Affected: 15.2(1)E Affected: 15.2(2)E Affected: 15.2(1)E1 Affected: 15.2(3)E Affected: 15.2(1)E2 Affected: 15.2(1)E3 Affected: 15.2(2)E1 Affected: 15.2(4)E Affected: 15.2(3)E1 Affected: 15.2(2)E2 Affected: 15.2(2)E3 Affected: 15.2(2a)E2 Affected: 15.2(3)E2 Affected: 15.2(3a)E Affected: 15.2(3)E3 Affected: 15.2(4)E1 Affected: 15.2(2)E4 Affected: 15.2(2)E5 Affected: 15.2(4)E2 Affected: 15.2(3)E4 Affected: 15.2(5)E Affected: 15.2(4)E3 Affected: 15.2(2)E6 Affected: 15.2(5)E1 Affected: 15.2(2)E5a Affected: 15.2(3)E5 Affected: 15.2(2)E5b Affected: 15.2(5a)E1 Affected: 15.2(4)E4 Affected: 15.2(2)E7 Affected: 15.2(5)E2 Affected: 15.2(6)E Affected: 15.2(5)E2b Affected: 15.2(4)E5 Affected: 15.2(5)E2c Affected: 15.2(2)E8 Affected: 15.2(6)E0a Affected: 15.2(6)E1 Affected: 15.2(2)E7b Affected: 15.2(4)E5a Affected: 15.2(6)E0c Affected: 15.2(4)E6 Affected: 15.2(6)E2 Affected: 15.2(2)E9 Affected: 15.2(4)E7 Affected: 15.2(7)E Affected: 15.2(2)E10 Affected: 15.2(4)E8 Affected: 15.2(6)E2a Affected: 15.2(7)E1 Affected: 15.2(7)E0b Affected: 15.2(7)E0s Affected: 15.2(6)E3 Affected: 15.2(4)E9 Affected: 15.2(7)E2 Affected: 15.2(7a)E0b Affected: 15.2(4)E10 Affected: 15.2(7)E3 Affected: 15.2(7)E1a Affected: 15.2(7b)E0b Affected: 15.2(4)E10a Affected: 15.2(7)E4 Affected: 15.2(8)E Affected: 15.2(8)E1 Affected: 15.2(7)E5 Affected: 15.2(7)E6 Affected: 15.2(8)E2 Affected: 15.2(4)E10d Affected: 15.2(7)E7 Affected: 15.2(8)E3 Affected: 15.2(7)E8 Affected: 15.2(8)E4 Affected: 15.2(4)E10e Affected: 15.2(7)E9 Affected: 15.2(8)E5 Affected: 15.4(1)S Affected: 15.4(2)S Affected: 15.4(3)S Affected: 15.4(1)S1 Affected: 15.4(1)S2 Affected: 15.4(2)S1 Affected: 15.4(1)S3 Affected: 15.4(3)S1 Affected: 15.4(2)S2 Affected: 15.4(3)S2 Affected: 15.4(3)S3 Affected: 15.4(1)S4 Affected: 15.4(2)S3 Affected: 15.4(2)S4 Affected: 15.4(3)S4 Affected: 15.4(3)S5 Affected: 15.4(3)S6 Affected: 15.4(3)S7 Affected: 15.4(3)S6a Affected: 15.4(3)S8 Affected: 15.4(3)S9 Affected: 15.4(3)S10 Affected: 15.3(3)M Affected: 15.3(3)M1 Affected: 15.3(3)M2 Affected: 15.3(3)M3 Affected: 15.3(3)M5 Affected: 15.3(3)M4 Affected: 15.3(3)M6 Affected: 15.3(3)M7 Affected: 15.3(3)M8 Affected: 15.3(3)M9 Affected: 15.3(3)M10 Affected: 15.3(3)M8a Affected: 15.2(1)EY Affected: 15.2(1)SY Affected: 15.2(1)SY1 Affected: 15.2(1)SY0a Affected: 15.2(1)SY2 Affected: 15.2(2)SY Affected: 15.2(1)SY1a Affected: 15.2(2)SY1 Affected: 15.2(2)SY2 Affected: 15.2(1)SY3 Affected: 15.2(1)SY4 Affected: 15.2(2)SY3 Affected: 15.2(1)SY5 Affected: 15.2(1)SY6 Affected: 15.2(1)SY7 Affected: 15.2(1)SY8 Affected: 15.4(1)CG Affected: 15.4(1)CG1 Affected: 15.4(2)CG Affected: 15.5(1)S Affected: 15.5(2)S Affected: 15.5(1)S1 Affected: 15.5(3)S Affected: 15.5(1)S2 Affected: 15.5(1)S3 Affected: 15.5(2)S1 Affected: 15.5(2)S2 Affected: 15.5(3)S1 Affected: 15.5(3)S1a Affected: 15.5(2)S3 Affected: 15.5(3)S2 Affected: 15.5(3)S0a Affected: 15.5(3)S3 Affected: 15.5(1)S4 Affected: 15.5(2)S4 Affected: 15.5(3)S4 Affected: 15.5(3)S5 Affected: 15.5(3)S6 Affected: 15.5(3)S6a Affected: 15.5(3)S7 Affected: 15.5(3)S6b Affected: 15.5(3)S8 Affected: 15.5(3)S9 Affected: 15.5(3)S10 Affected: 15.5(3)S9a Affected: 15.2(2)EB Affected: 15.2(2)EB1 Affected: 15.2(2)EB2 Affected: 15.2(6)EB Affected: 15.5(1)T Affected: 15.5(1)T1 Affected: 15.5(2)T Affected: 15.5(1)T2 Affected: 15.5(1)T3 Affected: 15.5(2)T1 Affected: 15.5(2)T2 Affected: 15.5(2)T3 Affected: 15.5(2)T4 Affected: 15.5(1)T4 Affected: 15.2(2)EA Affected: 15.2(2)EA1 Affected: 15.2(2)EA2 Affected: 15.2(3)EA Affected: 15.2(4)EA Affected: 15.2(4)EA1 Affected: 15.2(2)EA3 Affected: 15.2(4)EA3 Affected: 15.2(5)EA Affected: 15.2(4)EA4 Affected: 15.2(4)EA5 Affected: 15.2(4)EA6 Affected: 15.2(4)EA7 Affected: 15.2(4)EA8 Affected: 15.2(4)EA9 Affected: 15.2(4)EA9a Affected: 15.5(3)M Affected: 15.5(3)M1 Affected: 15.5(3)M0a Affected: 15.5(3)M2 Affected: 15.5(3)M3 Affected: 15.5(3)M4 Affected: 15.5(3)M4a Affected: 15.5(3)M5 Affected: 15.5(3)M6 Affected: 15.5(3)M7 Affected: 15.5(3)M6a Affected: 15.5(3)M8 Affected: 15.5(3)M9 Affected: 15.5(3)M10 Affected: 15.5(3)SN Affected: 15.6(1)S Affected: 15.6(2)S Affected: 15.6(2)S1 Affected: 15.6(1)S1 Affected: 15.6(1)S2 Affected: 15.6(2)S2 Affected: 15.6(1)S3 Affected: 15.6(2)S3 Affected: 15.6(1)S4 Affected: 15.6(2)S4 Affected: 15.6(1)T Affected: 15.6(2)T Affected: 15.6(1)T0a Affected: 15.6(1)T1 Affected: 15.6(2)T1 Affected: 15.6(1)T2 Affected: 15.6(2)T2 Affected: 15.6(1)T3 Affected: 15.6(2)T3 Affected: 15.3(1)SY Affected: 15.3(1)SY1 Affected: 15.3(1)SY2 Affected: 15.6(2)SP Affected: 15.6(2)SP1 Affected: 15.6(2)SP2 Affected: 15.6(2)SP3 Affected: 15.6(2)SP4 Affected: 15.6(2)SP5 Affected: 15.6(2)SP6 Affected: 15.6(2)SP7 Affected: 15.6(2)SP8 Affected: 15.6(2)SP9 Affected: 15.6(2)SP10 Affected: 15.6(2)SN Affected: 15.6(3)M Affected: 15.6(3)M1 Affected: 15.6(3)M0a Affected: 15.6(3)M1b Affected: 15.6(3)M2 Affected: 15.6(3)M3 Affected: 15.6(3)M3a Affected: 15.6(3)M4 Affected: 15.6(3)M5 Affected: 15.6(3)M6 Affected: 15.6(3)M7 Affected: 15.6(3)M6a Affected: 15.6(3)M6b Affected: 15.6(3)M8 Affected: 15.6(3)M9 Affected: 15.2(4)EC1 Affected: 15.2(4)EC2 Affected: 15.4(1)SY Affected: 15.4(1)SY1 Affected: 15.4(1)SY2 Affected: 15.4(1)SY3 Affected: 15.4(1)SY4 Affected: 15.5(1)SY Affected: 15.5(1)SY1 Affected: 15.5(1)SY2 Affected: 15.5(1)SY3 Affected: 15.5(1)SY4 Affected: 15.5(1)SY5 Affected: 15.5(1)SY6 Affected: 15.5(1)SY7 Affected: 15.5(1)SY8 Affected: 15.5(1)SY9 Affected: 15.5(1)SY10 Affected: 15.5(1)SY11 Affected: 15.5(1)SY12 Affected: 15.7(3)M Affected: 15.7(3)M1 Affected: 15.7(3)M0a Affected: 15.7(3)M3 Affected: 15.7(3)M2 Affected: 15.7(3)M4 Affected: 15.7(3)M5 Affected: 15.7(3)M4a Affected: 15.7(3)M4b Affected: 15.7(3)M6 Affected: 15.7(3)M7 Affected: 15.7(3)M8 Affected: 15.7(3)M9 Affected: 15.8(3)M Affected: 15.8(3)M1 Affected: 15.8(3)M0a Affected: 15.8(3)M0b Affected: 15.8(3)M2 Affected: 15.8(3)M1a Affected: 15.8(3)M3 Affected: 15.8(3)M2a Affected: 15.8(3)M4 Affected: 15.8(3)M3a Affected: 15.8(3)M3b Affected: 15.8(3)M5 Affected: 15.8(3)M6 Affected: 15.8(3)M7 Affected: 15.8(3)M8 Affected: 15.8(3)M9 Affected: 15.9(3)M Affected: 15.9(3)M1 Affected: 15.9(3)M0a Affected: 15.9(3)M2 Affected: 15.9(3)M3 Affected: 15.9(3)M2a Affected: 15.9(3)M3a Affected: 15.9(3)M4 Affected: 15.9(3)M3b Affected: 15.9(3)M5 Affected: 15.9(3)M4a Affected: 15.9(3)M6 Affected: 15.9(3)M7 Affected: 15.9(3)M6a Affected: 15.9(3)M6b Affected: 15.9(3)M8 Affected: 15.9(3)M7a Affected: 15.9(3)M8b |
|
| Cisco | Cisco IOS XE Software |
Affected:
3.7.0S
Affected: 3.7.1S Affected: 3.7.2S Affected: 3.7.3S Affected: 3.7.4S Affected: 3.7.5S Affected: 3.7.6S Affected: 3.7.7S Affected: 3.7.4aS Affected: 3.7.2tS Affected: 3.7.0bS Affected: 3.7.1aS Affected: 3.8.0S Affected: 3.8.1S Affected: 3.8.2S Affected: 3.9.1S Affected: 3.9.0S Affected: 3.9.2S Affected: 3.9.1aS Affected: 3.9.0aS Affected: 3.2.0SE Affected: 3.2.1SE Affected: 3.2.2SE Affected: 3.2.3SE Affected: 3.3.0SE Affected: 3.3.1SE Affected: 3.3.2SE Affected: 3.3.3SE Affected: 3.3.4SE Affected: 3.3.5SE Affected: 3.3.0XO Affected: 3.3.1XO Affected: 3.3.2XO Affected: 3.4.0SG Affected: 3.4.2SG Affected: 3.4.1SG Affected: 3.4.3SG Affected: 3.4.4SG Affected: 3.4.5SG Affected: 3.4.6SG Affected: 3.4.7SG Affected: 3.4.8SG Affected: 3.5.0E Affected: 3.5.1E Affected: 3.5.2E Affected: 3.5.3E Affected: 3.10.0S Affected: 3.10.1S Affected: 3.10.2S Affected: 3.10.3S Affected: 3.10.4S Affected: 3.10.5S Affected: 3.10.6S Affected: 3.10.2tS Affected: 3.10.7S Affected: 3.10.1xbS Affected: 3.10.8S Affected: 3.10.8aS Affected: 3.10.9S Affected: 3.10.10S Affected: 3.11.1S Affected: 3.11.2S Affected: 3.11.0S Affected: 3.11.3S Affected: 3.11.4S Affected: 3.12.0S Affected: 3.12.1S Affected: 3.12.2S Affected: 3.12.3S Affected: 3.12.0aS Affected: 3.12.4S Affected: 3.13.0S Affected: 3.13.1S Affected: 3.13.2S Affected: 3.13.3S Affected: 3.13.4S Affected: 3.13.5S Affected: 3.13.2aS Affected: 3.13.0aS Affected: 3.13.5aS Affected: 3.13.6S Affected: 3.13.7S Affected: 3.13.6aS Affected: 3.13.7aS Affected: 3.13.8S Affected: 3.13.9S Affected: 3.13.10S Affected: 3.6.0E Affected: 3.6.1E Affected: 3.6.2aE Affected: 3.6.2E Affected: 3.6.3E Affected: 3.6.4E Affected: 3.6.5E Affected: 3.6.6E Affected: 3.6.5aE Affected: 3.6.5bE Affected: 3.6.7E Affected: 3.6.8E Affected: 3.6.7bE Affected: 3.6.9E Affected: 3.6.10E Affected: 3.14.0S Affected: 3.14.1S Affected: 3.14.2S Affected: 3.14.3S Affected: 3.14.4S Affected: 3.15.0S Affected: 3.15.1S Affected: 3.15.2S Affected: 3.15.1cS Affected: 3.15.3S Affected: 3.15.4S Affected: 3.7.0E Affected: 3.7.1E Affected: 3.7.2E Affected: 3.7.3E Affected: 3.7.4E Affected: 3.7.5E Affected: 3.16.0S Affected: 3.16.1S Affected: 3.16.1aS Affected: 3.16.2S Affected: 3.16.2aS Affected: 3.16.0cS Affected: 3.16.3S Affected: 3.16.2bS Affected: 3.16.3aS Affected: 3.16.4S Affected: 3.16.4aS Affected: 3.16.4bS Affected: 3.16.5S Affected: 3.16.4dS Affected: 3.16.6S Affected: 3.16.7S Affected: 3.16.6bS Affected: 3.16.7aS Affected: 3.16.7bS Affected: 3.16.8S Affected: 3.16.9S Affected: 3.16.10S Affected: 3.17.0S Affected: 3.17.1S Affected: 3.17.2S Affected: 3.17.1aS Affected: 3.17.3S Affected: 3.17.4S Affected: 16.1.1 Affected: 16.1.2 Affected: 16.1.3 Affected: 16.2.1 Affected: 16.2.2 Affected: 3.8.0E Affected: 3.8.1E Affected: 3.8.2E Affected: 3.8.3E Affected: 3.8.4E Affected: 3.8.5E Affected: 3.8.5aE Affected: 3.8.6E Affected: 3.8.7E Affected: 3.8.8E Affected: 3.8.9E Affected: 3.8.10E Affected: 3.8.10eE Affected: 16.3.1 Affected: 16.3.2 Affected: 16.3.3 Affected: 16.3.1a Affected: 16.3.4 Affected: 16.3.5 Affected: 16.3.5b Affected: 16.3.6 Affected: 16.3.7 Affected: 16.3.8 Affected: 16.3.9 Affected: 16.3.10 Affected: 16.3.11 Affected: 16.4.1 Affected: 16.4.2 Affected: 16.4.3 Affected: 16.5.1 Affected: 16.5.1a Affected: 16.5.1b Affected: 16.5.2 Affected: 16.5.3 Affected: 3.18.0aS Affected: 3.18.0S Affected: 3.18.1S Affected: 3.18.2S Affected: 3.18.3S Affected: 3.18.4S Affected: 3.18.0SP Affected: 3.18.1SP Affected: 3.18.1aSP Affected: 3.18.1bSP Affected: 3.18.1cSP Affected: 3.18.2SP Affected: 3.18.2aSP Affected: 3.18.3SP Affected: 3.18.4SP Affected: 3.18.3aSP Affected: 3.18.3bSP Affected: 3.18.5SP Affected: 3.18.6SP Affected: 3.18.7SP Affected: 3.18.8aSP Affected: 3.18.9SP Affected: 3.9.0E Affected: 3.9.1E Affected: 3.9.2E Affected: 16.6.1 Affected: 16.6.2 Affected: 16.6.3 Affected: 16.6.4 Affected: 16.6.5 Affected: 16.6.4a Affected: 16.6.5a Affected: 16.6.6 Affected: 16.6.7 Affected: 16.6.8 Affected: 16.6.9 Affected: 16.6.10 Affected: 16.7.1 Affected: 16.7.1a Affected: 16.7.1b Affected: 16.7.2 Affected: 16.7.3 Affected: 16.7.4 Affected: 16.8.1 Affected: 16.8.1a Affected: 16.8.1b Affected: 16.8.1s Affected: 16.8.1c Affected: 16.8.1d Affected: 16.8.2 Affected: 16.8.1e Affected: 16.8.3 Affected: 16.9.1 Affected: 16.9.2 Affected: 16.9.1a Affected: 16.9.1b Affected: 16.9.1s Affected: 16.9.3 Affected: 16.9.4 Affected: 16.9.3a Affected: 16.9.5 Affected: 16.9.5f Affected: 16.9.6 Affected: 16.9.7 Affected: 16.9.8 Affected: 16.10.1 Affected: 16.10.1a Affected: 16.10.1b Affected: 16.10.1s Affected: 16.10.1c Affected: 16.10.1e Affected: 16.10.1d Affected: 16.10.2 Affected: 16.10.1f Affected: 16.10.1g Affected: 16.10.3 Affected: 3.10.0E Affected: 3.10.1E Affected: 3.10.0cE Affected: 3.10.2E Affected: 3.10.3E Affected: 16.11.1 Affected: 16.11.1a Affected: 16.11.1b Affected: 16.11.2 Affected: 16.11.1s Affected: 16.12.1 Affected: 16.12.1s Affected: 16.12.1a Affected: 16.12.1c Affected: 16.12.1w Affected: 16.12.2 Affected: 16.12.1y Affected: 16.12.2a Affected: 16.12.3 Affected: 16.12.8 Affected: 16.12.2s Affected: 16.12.1x Affected: 16.12.1t Affected: 16.12.4 Affected: 16.12.3s Affected: 16.12.3a Affected: 16.12.4a Affected: 16.12.5 Affected: 16.12.6 Affected: 16.12.1z1 Affected: 16.12.5a Affected: 16.12.5b Affected: 16.12.1z2 Affected: 16.12.6a Affected: 16.12.7 Affected: 16.12.9 Affected: 16.12.10 Affected: 16.12.10a Affected: 3.11.0E Affected: 3.11.1E Affected: 3.11.2E Affected: 3.11.3E Affected: 3.11.1aE Affected: 3.11.4E Affected: 3.11.3aE Affected: 3.11.5E Affected: 3.11.6E Affected: 3.11.7E Affected: 3.11.8E Affected: 3.11.9E Affected: 17.1.1 Affected: 17.1.1a Affected: 17.1.1s Affected: 17.1.1t Affected: 17.1.3 Affected: 17.2.1 Affected: 17.2.1r Affected: 17.2.1a Affected: 17.2.1v Affected: 17.2.2 Affected: 17.2.3 Affected: 17.3.1 Affected: 17.3.2 Affected: 17.3.3 Affected: 17.3.1a Affected: 17.3.1w Affected: 17.3.2a Affected: 17.3.1x Affected: 17.3.1z Affected: 17.3.4 Affected: 17.3.5 Affected: 17.3.4a Affected: 17.3.6 Affected: 17.3.4b Affected: 17.3.4c Affected: 17.3.5a Affected: 17.3.5b Affected: 17.3.7 Affected: 17.3.8 Affected: 17.3.8a Affected: 17.4.1 Affected: 17.4.2 Affected: 17.4.1a Affected: 17.4.1b Affected: 17.4.2a Affected: 17.5.1 Affected: 17.5.1a Affected: 17.6.1 Affected: 17.6.2 Affected: 17.6.1w Affected: 17.6.1a Affected: 17.6.1x Affected: 17.6.3 Affected: 17.6.1y Affected: 17.6.1z Affected: 17.6.3a Affected: 17.6.4 Affected: 17.6.1z1 Affected: 17.6.5 Affected: 17.6.5a Affected: 17.7.1 Affected: 17.7.1a Affected: 17.7.1b Affected: 17.7.2 Affected: 17.10.1 Affected: 17.10.1a Affected: 17.10.1b Affected: 17.8.1 Affected: 17.8.1a Affected: 17.9.1 Affected: 17.9.1w Affected: 17.9.2 Affected: 17.9.1a Affected: 17.9.1x Affected: 17.9.1y Affected: 17.9.3 Affected: 17.9.2a Affected: 17.9.1x1 Affected: 17.9.3a Affected: 17.9.1y1 Affected: 17.11.1 Affected: 17.11.1a Affected: 17.11.99SW |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2024-20312",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-03-28T18:01:49.784231Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-08-26T20:06:08.344Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2024-08-01T21:59:42.142Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"name": "cisco-sa-isis-sGjyOUHX",
"tags": [
"x_transferred"
],
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-isis-sGjyOUHX"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "IOS",
"vendor": "Cisco",
"versions": [
{
"status": "affected",
"version": "15.2(1)S"
},
{
"status": "affected",
"version": "15.2(2)S"
},
{
"status": "affected",
"version": "15.2(1)S1"
},
{
"status": "affected",
"version": "15.2(4)S"
},
{
"status": "affected",
"version": "15.2(1)S2"
},
{
"status": "affected",
"version": "15.2(2)S1"
},
{
"status": "affected",
"version": "15.2(2)S2"
},
{
"status": "affected",
"version": "15.2(2)S0a"
},
{
"status": "affected",
"version": "15.2(2)S0c"
},
{
"status": "affected",
"version": "15.2(4)S1"
},
{
"status": "affected",
"version": "15.2(4)S4"
},
{
"status": "affected",
"version": "15.2(4)S6"
},
{
"status": "affected",
"version": "15.2(4)S2"
},
{
"status": "affected",
"version": "15.2(4)S5"
},
{
"status": "affected",
"version": "15.2(4)S3"
},
{
"status": "affected",
"version": "15.2(4)S3a"
},
{
"status": "affected",
"version": "15.2(4)S4a"
},
{
"status": "affected",
"version": "15.2(4)S7"
},
{
"status": "affected",
"version": "15.3(1)T"
},
{
"status": "affected",
"version": "15.3(2)T"
},
{
"status": "affected",
"version": "15.3(1)T1"
},
{
"status": "affected",
"version": "15.3(1)T2"
},
{
"status": "affected",
"version": "15.3(1)T3"
},
{
"status": "affected",
"version": "15.3(1)T4"
},
{
"status": "affected",
"version": "15.3(2)T1"
},
{
"status": "affected",
"version": "15.3(2)T2"
},
{
"status": "affected",
"version": "15.3(2)T3"
},
{
"status": "affected",
"version": "15.3(2)T4"
},
{
"status": "affected",
"version": "15.1(2)SG"
},
{
"status": "affected",
"version": "15.1(2)SG1"
},
{
"status": "affected",
"version": "15.1(2)SG2"
},
{
"status": "affected",
"version": "15.1(2)SG3"
},
{
"status": "affected",
"version": "15.1(2)SG4"
},
{
"status": "affected",
"version": "15.1(2)SG5"
},
{
"status": "affected",
"version": "15.1(2)SG6"
},
{
"status": "affected",
"version": "15.1(2)SG7"
},
{
"status": "affected",
"version": "15.1(2)SG8"
},
{
"status": "affected",
"version": "15.2(4)M"
},
{
"status": "affected",
"version": "15.2(4)M1"
},
{
"status": "affected",
"version": "15.2(4)M2"
},
{
"status": "affected",
"version": "15.2(4)M4"
},
{
"status": "affected",
"version": "15.2(4)M3"
},
{
"status": "affected",
"version": "15.2(4)M5"
},
{
"status": "affected",
"version": "15.2(4)M8"
},
{
"status": "affected",
"version": "15.2(4)M10"
},
{
"status": "affected",
"version": "15.2(4)M7"
},
{
"status": "affected",
"version": "15.2(4)M6"
},
{
"status": "affected",
"version": "15.2(4)M9"
},
{
"status": "affected",
"version": "15.2(4)M6a"
},
{
"status": "affected",
"version": "15.2(4)M11"
},
{
"status": "affected",
"version": "15.0(1)EX"
},
{
"status": "affected",
"version": "15.2(3)GC"
},
{
"status": "affected",
"version": "15.2(3)GC1"
},
{
"status": "affected",
"version": "15.2(4)GC"
},
{
"status": "affected",
"version": "15.2(4)GC1"
},
{
"status": "affected",
"version": "15.2(4)GC2"
},
{
"status": "affected",
"version": "15.2(4)GC3"
},
{
"status": "affected",
"version": "15.1(1)SY"
},
{
"status": "affected",
"version": "15.1(1)SY1"
},
{
"status": "affected",
"version": "15.1(2)SY"
},
{
"status": "affected",
"version": "15.1(2)SY1"
},
{
"status": "affected",
"version": "15.1(2)SY2"
},
{
"status": "affected",
"version": "15.1(1)SY2"
},
{
"status": "affected",
"version": "15.1(1)SY3"
},
{
"status": "affected",
"version": "15.1(2)SY3"
},
{
"status": "affected",
"version": "15.1(1)SY4"
},
{
"status": "affected",
"version": "15.1(2)SY4"
},
{
"status": "affected",
"version": "15.1(1)SY5"
},
{
"status": "affected",
"version": "15.1(2)SY5"
},
{
"status": "affected",
"version": "15.1(2)SY4a"
},
{
"status": "affected",
"version": "15.1(1)SY6"
},
{
"status": "affected",
"version": "15.1(2)SY6"
},
{
"status": "affected",
"version": "15.1(2)SY7"
},
{
"status": "affected",
"version": "15.1(2)SY8"
},
{
"status": "affected",
"version": "15.1(2)SY9"
},
{
"status": "affected",
"version": "15.1(2)SY10"
},
{
"status": "affected",
"version": "15.1(2)SY11"
},
{
"status": "affected",
"version": "15.1(2)SY12"
},
{
"status": "affected",
"version": "15.1(2)SY13"
},
{
"status": "affected",
"version": "15.1(2)SY14"
},
{
"status": "affected",
"version": "15.1(2)SY15"
},
{
"status": "affected",
"version": "15.1(2)SY16"
},
{
"status": "affected",
"version": "15.3(1)S"
},
{
"status": "affected",
"version": "15.3(2)S"
},
{
"status": "affected",
"version": "15.3(3)S"
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{
"status": "affected",
"version": "15.3(1)S2"
},
{
"status": "affected",
"version": "15.3(1)S1"
},
{
"status": "affected",
"version": "15.3(2)S2"
},
{
"status": "affected",
"version": "15.3(2)S1"
},
{
"status": "affected",
"version": "15.3(3)S1"
},
{
"status": "affected",
"version": "15.3(3)S2"
},
{
"status": "affected",
"version": "15.3(3)S3"
},
{
"status": "affected",
"version": "15.3(3)S6"
},
{
"status": "affected",
"version": "15.3(3)S4"
},
{
"status": "affected",
"version": "15.3(3)S1a"
},
{
"status": "affected",
"version": "15.3(3)S5"
},
{
"status": "affected",
"version": "15.3(3)S7"
},
{
"status": "affected",
"version": "15.3(3)S8"
},
{
"status": "affected",
"version": "15.3(3)S9"
},
{
"status": "affected",
"version": "15.3(3)S10"
},
{
"status": "affected",
"version": "15.3(3)S8a"
},
{
"status": "affected",
"version": "15.4(1)T"
},
{
"status": "affected",
"version": "15.4(2)T"
},
{
"status": "affected",
"version": "15.4(1)T2"
},
{
"status": "affected",
"version": "15.4(1)T1"
},
{
"status": "affected",
"version": "15.4(1)T3"
},
{
"status": "affected",
"version": "15.4(2)T1"
},
{
"status": "affected",
"version": "15.4(2)T3"
},
{
"status": "affected",
"version": "15.4(2)T2"
},
{
"status": "affected",
"version": "15.4(1)T4"
},
{
"status": "affected",
"version": "15.4(2)T4"
},
{
"status": "affected",
"version": "15.2(1)E"
},
{
"status": "affected",
"version": "15.2(2)E"
},
{
"status": "affected",
"version": "15.2(1)E1"
},
{
"status": "affected",
"version": "15.2(3)E"
},
{
"status": "affected",
"version": "15.2(1)E2"
},
{
"status": "affected",
"version": "15.2(1)E3"
},
{
"status": "affected",
"version": "15.2(2)E1"
},
{
"status": "affected",
"version": "15.2(4)E"
},
{
"status": "affected",
"version": "15.2(3)E1"
},
{
"status": "affected",
"version": "15.2(2)E2"
},
{
"status": "affected",
"version": "15.2(2)E3"
},
{
"status": "affected",
"version": "15.2(2a)E2"
},
{
"status": "affected",
"version": "15.2(3)E2"
},
{
"status": "affected",
"version": "15.2(3a)E"
},
{
"status": "affected",
"version": "15.2(3)E3"
},
{
"status": "affected",
"version": "15.2(4)E1"
},
{
"status": "affected",
"version": "15.2(2)E4"
},
{
"status": "affected",
"version": "15.2(2)E5"
},
{
"status": "affected",
"version": "15.2(4)E2"
},
{
"status": "affected",
"version": "15.2(3)E4"
},
{
"status": "affected",
"version": "15.2(5)E"
},
{
"status": "affected",
"version": "15.2(4)E3"
},
{
"status": "affected",
"version": "15.2(2)E6"
},
{
"status": "affected",
"version": "15.2(5)E1"
},
{
"status": "affected",
"version": "15.2(2)E5a"
},
{
"status": "affected",
"version": "15.2(3)E5"
},
{
"status": "affected",
"version": "15.2(2)E5b"
},
{
"status": "affected",
"version": "15.2(5a)E1"
},
{
"status": "affected",
"version": "15.2(4)E4"
},
{
"status": "affected",
"version": "15.2(2)E7"
},
{
"status": "affected",
"version": "15.2(5)E2"
},
{
"status": "affected",
"version": "15.2(6)E"
},
{
"status": "affected",
"version": "15.2(5)E2b"
},
{
"status": "affected",
"version": "15.2(4)E5"
},
{
"status": "affected",
"version": "15.2(5)E2c"
},
{
"status": "affected",
"version": "15.2(2)E8"
},
{
"status": "affected",
"version": "15.2(6)E0a"
},
{
"status": "affected",
"version": "15.2(6)E1"
},
{
"status": "affected",
"version": "15.2(2)E7b"
},
{
"status": "affected",
"version": "15.2(4)E5a"
},
{
"status": "affected",
"version": "15.2(6)E0c"
},
{
"status": "affected",
"version": "15.2(4)E6"
},
{
"status": "affected",
"version": "15.2(6)E2"
},
{
"status": "affected",
"version": "15.2(2)E9"
},
{
"status": "affected",
"version": "15.2(4)E7"
},
{
"status": "affected",
"version": "15.2(7)E"
},
{
"status": "affected",
"version": "15.2(2)E10"
},
{
"status": "affected",
"version": "15.2(4)E8"
},
{
"status": "affected",
"version": "15.2(6)E2a"
},
{
"status": "affected",
"version": "15.2(7)E1"
},
{
"status": "affected",
"version": "15.2(7)E0b"
},
{
"status": "affected",
"version": "15.2(7)E0s"
},
{
"status": "affected",
"version": "15.2(6)E3"
},
{
"status": "affected",
"version": "15.2(4)E9"
},
{
"status": "affected",
"version": "15.2(7)E2"
},
{
"status": "affected",
"version": "15.2(7a)E0b"
},
{
"status": "affected",
"version": "15.2(4)E10"
},
{
"status": "affected",
"version": "15.2(7)E3"
},
{
"status": "affected",
"version": "15.2(7)E1a"
},
{
"status": "affected",
"version": "15.2(7b)E0b"
},
{
"status": "affected",
"version": "15.2(4)E10a"
},
{
"status": "affected",
"version": "15.2(7)E4"
},
{
"status": "affected",
"version": "15.2(8)E"
},
{
"status": "affected",
"version": "15.2(8)E1"
},
{
"status": "affected",
"version": "15.2(7)E5"
},
{
"status": "affected",
"version": "15.2(7)E6"
},
{
"status": "affected",
"version": "15.2(8)E2"
},
{
"status": "affected",
"version": "15.2(4)E10d"
},
{
"status": "affected",
"version": "15.2(7)E7"
},
{
"status": "affected",
"version": "15.2(8)E3"
},
{
"status": "affected",
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{
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"version": "17.4.1"
},
{
"status": "affected",
"version": "17.4.2"
},
{
"status": "affected",
"version": "17.4.1a"
},
{
"status": "affected",
"version": "17.4.1b"
},
{
"status": "affected",
"version": "17.4.2a"
},
{
"status": "affected",
"version": "17.5.1"
},
{
"status": "affected",
"version": "17.5.1a"
},
{
"status": "affected",
"version": "17.6.1"
},
{
"status": "affected",
"version": "17.6.2"
},
{
"status": "affected",
"version": "17.6.1w"
},
{
"status": "affected",
"version": "17.6.1a"
},
{
"status": "affected",
"version": "17.6.1x"
},
{
"status": "affected",
"version": "17.6.3"
},
{
"status": "affected",
"version": "17.6.1y"
},
{
"status": "affected",
"version": "17.6.1z"
},
{
"status": "affected",
"version": "17.6.3a"
},
{
"status": "affected",
"version": "17.6.4"
},
{
"status": "affected",
"version": "17.6.1z1"
},
{
"status": "affected",
"version": "17.6.5"
},
{
"status": "affected",
"version": "17.6.5a"
},
{
"status": "affected",
"version": "17.7.1"
},
{
"status": "affected",
"version": "17.7.1a"
},
{
"status": "affected",
"version": "17.7.1b"
},
{
"status": "affected",
"version": "17.7.2"
},
{
"status": "affected",
"version": "17.10.1"
},
{
"status": "affected",
"version": "17.10.1a"
},
{
"status": "affected",
"version": "17.10.1b"
},
{
"status": "affected",
"version": "17.8.1"
},
{
"status": "affected",
"version": "17.8.1a"
},
{
"status": "affected",
"version": "17.9.1"
},
{
"status": "affected",
"version": "17.9.1w"
},
{
"status": "affected",
"version": "17.9.2"
},
{
"status": "affected",
"version": "17.9.1a"
},
{
"status": "affected",
"version": "17.9.1x"
},
{
"status": "affected",
"version": "17.9.1y"
},
{
"status": "affected",
"version": "17.9.3"
},
{
"status": "affected",
"version": "17.9.2a"
},
{
"status": "affected",
"version": "17.9.1x1"
},
{
"status": "affected",
"version": "17.9.3a"
},
{
"status": "affected",
"version": "17.9.1y1"
},
{
"status": "affected",
"version": "17.11.1"
},
{
"status": "affected",
"version": "17.11.1a"
},
{
"status": "affected",
"version": "17.11.99SW"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the Intermediate System-to-Intermediate System (IS-IS) protocol of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device.\r\n\r This vulnerability is due to insufficient input validation when parsing an ingress IS-IS packet. An attacker could exploit this vulnerability by sending a crafted IS-IS packet to an affected device after forming an adjacency. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.\r\n\r Note: The IS-IS protocol is a routing protocol. To exploit this vulnerability, an attacker must be Layer 2-adjacent to the affected device and have formed an adjacency."
}
],
"exploits": [
{
"lang": "en",
"value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.4,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
"version": "3.1"
},
"format": "cvssV3_1"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-476",
"description": "NULL Pointer Dereference",
"lang": "en",
"type": "cwe"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-03-27T16:56:42.490Z",
"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"shortName": "cisco"
},
"references": [
{
"name": "cisco-sa-isis-sGjyOUHX",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-isis-sGjyOUHX"
}
],
"source": {
"advisory": "cisco-sa-isis-sGjyOUHX",
"defects": [
"CSCwf54007"
],
"discovery": "INTERNAL"
}
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2024-20312",
"datePublished": "2024-03-27T16:56:42.490Z",
"dateReserved": "2023-11-08T15:08:07.631Z",
"dateUpdated": "2025-08-26T20:06:08.344Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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