Common Weakness Enumeration
CWE-749
AllowedExposed Dangerous Method or Function
Abstraction: Base · Status: Incomplete
The product provides an Applications Programming Interface (API) or similar interface for interaction with external actors, but the interface includes a dangerous method or function that is not properly restricted.
363 vulnerabilities reference this CWE, most recent first.
CVE-2026-30921 (GCVE-0-2026-30921)
Vulnerability from cvelistv5 – Published: 2026-03-09 22:58 – Updated: 2026-03-10 14:13
VLAI
EPSS
VEX
Title
OneUptime Synthetic Monitor RCE via exposed Playwright browser object
Summary
OneUptime is a solution for monitoring and managing online services. Prior to 10.0.20, OneUptime Synthetic Monitors allow low-privileged project users to submit custom Playwright code that is executed on the oneuptime-probe service. In the current implementation, this untrusted code is run inside Node's vm and is given live host Playwright objects such as browser and page. This creates a distinct server-side RCE primitive: the attacker does not need the classic this.constructor.constructor(...) sandbox escape. Instead, the attacker can directly use the injected Playwright browser object to reach browser.browserType().launch(...) and spawn an arbitrary executable on the probe host/container. This vulnerability is fixed in 10.0.20.
Severity
10 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-10 14:13 UTC
CWE
- CWE-749 - Exposed Dangerous Method or Function
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/OneUptime/oneuptime/security/a… | x_refsource_CONFIRM |
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CVE-2026-30797 (GCVE-0-2026-30797)
Vulnerability from cvelistv5 – Published: 2026-03-05 15:35 – Updated: 2026-03-17 14:31
VLAI
EPSS
VEX
Title
RustDesk rustdesk://config/ URI Silently Re-homes Client to Attacker-Controlled Server
Summary
Missing Authorization vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Flutter URI scheme handler, config import modules) allows Application API Message Manipulation via Man-in-the-Middle. This vulnerability is associated with program files flutter/lib/common.Dart and program routines importConfig() via URI handler.
This issue affects RustDesk Client: through 1.4.5.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-17 14:31 UTC
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://rustdesk.com/docs/en/client/ | technical-descriptionx_--config documentation |
| https://docs.google.com/document/d/e/2PACX-1vSds6… | third-party-advisoryexploit |
| https://www.vulsec.org/ | vdb-entrythird-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| rustdesk-client | RustDesk Client |
Affected:
0 , ≤ 1.4.5
(custom)
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Date Public
2026-03-05 13:45
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CVE-2026-28400 (GCVE-0-2026-28400)
Vulnerability from cvelistv5 – Published: 2026-02-27 21:06 – Updated: 2026-03-03 20:30
VLAI
EPSS
VEX
Title
Docker Model Runner Unauthenticated Runtime Flag Injection via _configure Endpoint
Summary
Docker Model Runner (DMR) is software used to manage, run, and deploy AI models using Docker. Versions prior to 1.0.16 expose a POST `/engines/_configure` endpoint that accepts arbitrary runtime flags without authentication. These flags are passed directly to the underlying inference server (llama.cpp). By injecting the --log-file flag, an attacker with network access to the Model Runner API can write or overwrite arbitrary files accessible to the Model Runner process. When bundled with Docker Desktop (where Model Runner is enabled by default since version 4.46.0), it is reachable from any default container at model-runner.docker.internal without authentication. In this context, the file overwrite can target the Docker Desktop VM disk (`Docker.raw` ), resulting in the destruction of all containers, images, volumes, and build history. However, in specific configurations and with user interaction, it is possible to convert this vulnerability in a container escape. The issue is fixed in Docker Model Runner 1.0.16. Docker Desktop users should update to 4.61.0 or later, which includes the fixed Model Runner. A workaround is available. For Docker Desktop users, enabling Enhanced Container Isolation (ECI) blocks container access to Model Runner, preventing exploitation. However, if the Docker Model Runner is exposed to localhost over TCP in specific configurations, the vulnerability is still exploitable.
Severity
7.6 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-03 20:30 UTC
CWE
- CWE-749 - Exposed Dangerous Method or Function
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/docker/model-runner/security/a… | x_refsource_CONFIRM |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| docker | model-runner |
Affected:
< 1.0.16
|
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CVE-2026-25266 (GCVE-0-2026-25266)
Vulnerability from cvelistv5 – Published: 2026-05-04 16:43 – Updated: 2026-05-04 18:10
VLAI
EPSS
VEX
Title
Exposed dangerous function in windows host
Summary
Memory corruption while processing IOCTL command when device is in power-save state.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-04 18:10 UTC
CWE
- CWE-749 - Exposed Dangerous Method or Function
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Qualcomm, Inc. | Snapdragon |
Affected:
Cologne
Affected: FastConnect 6900 Affected: FastConnect 7800 Affected: SC8380XP Affected: Snapdragon AR1 Gen 1 Platform Affected: WCD9378C Affected: WCD9380 Affected: WCD9385 Affected: WCN7861 Affected: WCN7880 Affected: WSA8830 Affected: WSA8832 Affected: WSA8835 Affected: WSA8840 Affected: WSA8845 Affected: WSA8845H Affected: X2000077 Affected: X2000086 Affected: X2000090 Affected: X2000092 Affected: X2000094 Affected: XG101002 Affected: XG101032 Affected: XG101039 |
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CVE-2026-25255 (GCVE-0-2026-25255)
Vulnerability from cvelistv5 – Published: 2026-09-22 09:45 – Updated: 2026-09-22 10:15
VLAI
EPSS
VEX
Title
Exposed function in Qualcomm Package Manager and Qualcomm Software Center.
Summary
Exposed dangerous function lead to privilege escalation via gRPC server.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 10:06 UTC
CWE
- CWE-749 - Exposed Dangerous Method or Function
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Qualcomm, Inc. | Snapdragon |
Affected:
QSCv1.17.1
Affected: QSCv1.19.1 Affected: QSCv1.21.0 Affected: QPMv3.0.125.4 Affected: QPMv3.0.126.7 Affected: QPMv3.0.127.2 |
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CVE-2026-22812 (GCVE-0-2026-22812)
Vulnerability from cvelistv5 – Published: 2026-01-12 22:49 – Updated: 2026-01-13 19:07
VLAI
EPSS
VEX
Title
OpenCode's Unauthenticated HTTP Server Allows Arbitrary Command Execution
Summary
OpenCode is an open source AI coding agent. Prior to 1.0.216, OpenCode automatically starts an unauthenticated HTTP server that allows any local process (or any website via permissive CORS) to execute arbitrary shell commands with the user's privileges. This vulnerability is fixed in 1.0.216.
Severity
8.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-13 14:13 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/anomalyco/opencode/security/ad… | x_refsource_CONFIRM |
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CVE-2026-22208 (GCVE-0-2026-22208)
Vulnerability from cvelistv5 – Published: 2026-02-17 14:29 – Updated: 2026-07-14 15:53
VLAI
EPSS
VEX
Title
OpenS100 Portrayal Engine Unrestricted Lua Standard Library Access
Summary
OpenS100 (the reference implementation S-100 viewer) prior to commit 753cf29 contains a remote code execution vulnerability via an unrestricted Lua interpreter. The Portrayal Engine initializes Lua using luaL_openlibs() without sandboxing or capability restrictions, exposing standard libraries such as 'os' and 'io' to untrusted portrayal catalogues. An attacker can provide a malicious S-100 portrayal catalogue containing Lua scripts that execute arbitrary commands with the privileges of the OpenS100 process when a user imports the catalogue and loads a chart.
Severity
9.6 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-17 14:43 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.mdpi.com/1424-8220/26/4/1246 | technical-descriptionexploit |
| https://github.com/S-100ExpertTeam/OpenS100/commi… | patch |
| https://www.vulncheck.com/advisories/opens100-por… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OpenS100 Project | OpenS100 |
Affected:
0 , < 753cf294434e8d3961f20a567c4d99151e3b530d
(git)
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CVE-2026-20467 (GCVE-0-2026-20467)
Vulnerability from cvelistv5 – Published: 2026-08-03 02:05 – Updated: 2026-08-05 03:56
VLAI
EPSS
VEX
Summary
In apusys, there is a possible escalation of privilege due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: AUTO00837766; Issue ID: MSV-6767.
Severity
6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-04 00:00 UTC
CWE
- CWE-749 - Exposed Dangerous Method or Function
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| MediaTek, Inc. | MediaTek chipset |
Affected:
MT8195
Affected: MT8196 Affected: MT8366 |
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CVE-2026-20423 (GCVE-0-2026-20423)
Vulnerability from cvelistv5 – Published: 2026-03-02 08:37 – Updated: 2026-03-30 13:05
VLAI
EPSS
VEX
Summary
In wlan STA driver, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00465314; Issue ID: MSV-4956.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-03 04:56 UTC
CWE
- CWE-749 - Exposed Dangerous Method or Function
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| MediaTek, Inc. | MediaTek chipset |
Affected:
MT7902
Affected: MT7920 Affected: MT7921 Affected: MT7922 Affected: MT7925 Affected: MT7927 |
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CVE-2026-20293 (GCVE-0-2026-20293)
Vulnerability from cvelistv5 – Published: 2026-09-08 16:04 – Updated: 2026-09-16 03:57
VLAI
EPSS
VEX
Title
Cisco UCS and UCS-Based Appliances UEFI Shell Secure Boot Bypass Vulnerability
Summary
A vulnerability in the Unified Extensible Firmware Interface (UEFI) Shell implementation of Cisco UCS Servers and UCS-based appliances could allow an authenticated attacker with valid credentials for a user account with the role of user or admin or an unauthenticated attacker with physical access to an affected device to bypass UEFI Secure Boot validation checks and execute unauthorized software.
This vulnerability is due to the availability of memory write commands in the UEFI Shell while UEFI Secure Boot is enabled on a device. An attacker could exploit this vulnerability by selecting the UEFI Shell boot option at boot time and using available shell commands to modify UEFI memory variables. A successful exploit could allow the attacker to manipulate the preboot environment, overwrite UEFI Secure Boot-related memory values, and execute unauthorized software on the affected device.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 13:32 UTC
CWE
- CWE-749 - Exposed Dangerous Method or Function
Assigner
References
1 reference
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Enterprise NFV Infrastructure Software |
Affected:
4.1.1
Affected: 3.9.1 Affected: 3.5.2 Affected: 3.12.2 Affected: 3.6.2 Affected: 3.9.2 Affected: 3.11.3 Affected: 3.11.1 Affected: 3.5.1 Affected: 3.3.1 Affected: 3.10.2 Affected: 3.12.1b Affected: 3.4.1 Affected: 3.12.1a Affected: 3.6.3 Affected: 3.8.1 Affected: 3.11.2 Affected: 3.12.1 Affected: 3.12.3 Affected: 3.10.1 Affected: 3.6.1 Affected: 3.10.3 Affected: 3.7.1 Affected: 4.1.2 Affected: 4.2.1 Affected: 4.2.2 Affected: 4.4.1 Affected: 4.4.2 Affected: 4.5.1 Affected: 4.4.3 Affected: 4.6.1 Affected: 4.7.1 Affected: 4.6.2-FC2 Affected: 4.6.2 Affected: 4.8.1 Affected: 4.8.2 Affected: 4.9.1 Affected: 4.6.3 Affected: 4.9.2 Affected: 4.10.1 Affected: 4.9.3 Affected: 4.11.1 Affected: 4.9.4 Affected: 4.12.1 Affected: 4.6.4 Affected: 4.12.2 Affected: 4.13.1 Affected: 4.9.5 Affected: 4.12.3 Affected: 4.14.1 Affected: 4.6.3-FC4 Affected: 4.9.4-FC3 Affected: 4.12.4 Affected: 4.15.1 Affected: 4.9.6 Affected: 4.15.2 Affected: 4.12.5 Affected: 4.15.3 Affected: 4.15.4 Affected: 4.12.6 Affected: 4.15.5 Affected: 4.12.7 Affected: 4.12.8 Affected: 4.15.6 Affected: 4.9.10 |
|
| Cisco | Cisco Unified Computing System (Managed) |
Affected:
4.0(1a)
Affected: 4.1(1a) Affected: 4.1(1b) Affected: 4.0(4h) Affected: 4.1(1c) Affected: 4.0(4e) Affected: 4.0(4g) Affected: 4.0(2e) Affected: 4.0(4a) Affected: 4.0(2d) Affected: 4.0(1b) Affected: 4.0(4f) Affected: 4.0(4c) Affected: 4.0(1c) Affected: 4.0(4b) Affected: 4.0(2b) Affected: 4.0(4d) Affected: 4.0(2a) Affected: 4.0(1d) Affected: 4.0(4i) Affected: 4.1(1d) Affected: 4.1(2a) Affected: 4.1(1e) Affected: 4.1(2b) Affected: 4.0(4k) Affected: 4.1(3a) Affected: 4.1(3b) Affected: 4.1(2c) Affected: 4.0(4l) Affected: 4.1(4a) Affected: 4.1(3c) Affected: 4.1(3d) Affected: 4.2(1c) Affected: 4.2(1d) Affected: 4.0(4m) Affected: 4.1(3e) Affected: 4.2(1f) Affected: 4.1(3f) Affected: 4.2(1i) Affected: 4.2(1k) Affected: 4.0(4n) Affected: 4.1(3h) Affected: 4.2(1l) Affected: 4.2(1m) Affected: 4.1(3i) Affected: 4.2(2a) Affected: 4.2(1n) Affected: 4.1(3j) Affected: 4.2(2c) Affected: 4.2(2d) Affected: 4.2(3b) Affected: 4.1(3k) Affected: 4.0(4o) Affected: 4.2(2e) Affected: 4.2(3d) Affected: 4.2(3e) Affected: 4.2(3g) Affected: 4.1(3l) Affected: 4.3(2b) Affected: 4.2(3h) Affected: 4.2(3i) Affected: 4.3(2c) Affected: 4.1(3m) Affected: 4.3(2e) Affected: 4.3(3a) Affected: 4.2(3j) Affected: 4.3(3c) Affected: 4.3(4a) Affected: 4.2(3k) Affected: 4.3(4b) Affected: 4.3(4c) Affected: 4.2(3l) Affected: 4.3(4d) Affected: 4.2(3m) Affected: 4.3(2f) Affected: 4.3(5a) Affected: 4.3(4e) Affected: 4.1(3n) Affected: 4.3(4f) Affected: 4.2(3n) Affected: 4.3(5c) Affected: 4.2(3o) Affected: 4.3(5d) Affected: 4.3(6a) Affected: 4.3(6b) Affected: 4.3(5e) Affected: 4.3(6c) Affected: 6.0(1b) Affected: 4.2(3p) Affected: 6.0(1c) Affected: 4.3(6d) Affected: 6.0(1d) Affected: 6.0(1e) Affected: 4.3(6e) Affected: 6.0(1f) Affected: 4.3(6f) Affected: 6.0(2b) Affected: 6.0(1h) Affected: 4.2(3r) Affected: 6.0(2c) Affected: 4.3(6g) |
|
| Cisco | Cisco Unified Computing System (Standalone) |
Affected:
4.0(2g)
Affected: 3.1(2i) Affected: 3.1(1d) Affected: 4.0(4i) Affected: 4.1(1c) Affected: 4.0(2c) Affected: 4.0(1e) Affected: 4.0(2h) Affected: 4.0(4h) Affected: 4.0(1h) Affected: 4.0(2l) Affected: 3.1(3g) Affected: 4.0(1.240) Affected: 4.0(2f) Affected: 4.0(1g) Affected: 4.0(2i) Affected: 3.1(3i) Affected: 4.0(4d) Affected: 4.1(1d) Affected: 3.1(3c) Affected: 4.0(4k) Affected: 3.1(2d) Affected: 3.1(3a) Affected: 3.1(3j) Affected: 4.0(2d) Affected: 4.1(1f) Affected: 4.0(4j) Affected: 4.0(2m) Affected: 4.0(2k) Affected: 4.0(1c) Affected: 4.0(4f) Affected: 4.0(4c) Affected: 3.1(3d) Affected: 3.1(2g) Affected: 3.1(2c) Affected: 4.0(1d) Affected: 3.1(2e) Affected: 4.0(1a) Affected: 4.0(1b) Affected: 3.1(3b) Affected: 4.0(4b) Affected: 3.1(2b) Affected: 4.0(4e) Affected: 3.1(3h) Affected: 4.0(4l) Affected: 4.1(1g) Affected: 4.1(2a) Affected: 4.0(2n) Affected: 4.1(1h) Affected: 3.1(3k) Affected: 4.1(2b) Affected: 4.0(2o) Affected: 4.0(4m) Affected: 4.1(2d) Affected: 4.1(3b) Affected: 4.0(2p) Affected: 4.1(2e) Affected: 4.1(2f) Affected: 4.0(4n) Affected: 4.0(2q) Affected: 4.1(3c) Affected: 4.0(2r) Affected: 4.1(3d) Affected: 4.1(2g) Affected: 4.1(2h) Affected: 4.1(3g) Affected: 4.1(3f) Affected: 4.1(2j) Affected: 4.1(2k) Affected: 4.1(3h) Affected: 4.2(2a) Affected: 4.1(3i) Affected: 4.2(2f) Affected: 4.2(2g) Affected: 4.2(3b) Affected: 4.1(3l) Affected: 4.2(3d) Affected: 4.3(1.230097) Affected: 4.2(1e) Affected: 4.2(1b) Affected: 4.2(1j) Affected: 4.2(1i) Affected: 4.2(1f) Affected: 4.2(1a) Affected: 4.2(1c) Affected: 4.2(1g) Affected: 4.3(1.230124) Affected: 4.1(2l) Affected: 4.2(3e) Affected: 4.3(1.230138) Affected: 4.2(3g) Affected: 4.3(2.230207) Affected: 4.2(3h) Affected: 4.2(3i) Affected: 4.3(2.230270) Affected: 4.1(3m) Affected: 4.1(2m) Affected: 4.3(2.240002) Affected: 4.3(3.240022) Affected: 4.2(3j) Affected: 4.1(3n) Affected: 4.3(2.240009) Affected: 4.3(3.240041) Affected: 4.2(3k) Affected: 4.3(3.240043) Affected: 4.3(4.240142) Affected: 4.3(2.240037) Affected: 4.3(2.240053) Affected: 4.3(4.240152) Affected: 4.2(3l) Affected: 4.3(2.240077) Affected: 4.3(4.242028) Affected: 4.3(4.241063) Affected: 4.3(4.242038) Affected: 4.2(3m) Affected: 4.3(2.240090) Affected: 4.3(5.240021) Affected: 4.3(2.240107) Affected: 4.3(4.242066) Affected: 4.2(3n) Affected: 4.3(5.250001) Affected: 4.2(3o) Affected: 4.3(2.250016) Affected: 4.3(2.250021) Affected: 4.3(5.250030) Affected: 4.3(2.250022) Affected: 4.3(6.250039) Affected: 4.3(6.250040) Affected: 4.3(5.250033) Affected: 4.3(6.250044) Affected: 4.3(6.250053) Affected: 4.3(2.250037) Affected: 4.3(2.250045) Affected: 4.3(4.252001) Affected: 4.3(4.252002) Affected: 6.0(1.250127) Affected: 4.2(3p) Affected: 6.0(1.250131) Affected: 4.3(6.250101) Affected: 6.0(1.250174) Affected: 4.3(6.250117) Affected: 4.3(5.250043) Affected: 4.3(5.250045) Affected: 4.3(6.250060) Affected: 6.0(1.250130) Affected: 4.3(4.241014) Affected: 6.0(1.251030) Affected: 4.3(2.250063) Affected: 6.0(1.250192) Affected: 4.3(6.260003) Affected: 6.0(1.250194) Affected: 6.0(1.260001) Affected: 4.3(6.260017) Affected: 4.3(2.260007) Affected: 6.0(2.260044) Affected: 6.0(2.260042) Affected: 4.0(1.260003) Affected: 2.0(2.260062) Affected: 2.0(1.250127) Affected: 2.0(1.250096) Affected: 4.0(1.260004) Affected: 6.0(2.260026) Affected: 6.0(1.251006) Affected: 1.2(0.250011) Affected: 1.1(0.250016) Affected: 1.0(0.240001) Affected: 1.0(0.250003) Affected: 1.2(0.250013) Affected: 1.1(0.250026) Affected: 1.0(1.250002) Affected: 1.1(0.250022) Affected: 1.1(0.250025) Affected: 1.0(1.250032) Affected: 6.0(2.260034) Affected: 6.0(2.260069) Affected: 4.3(6.260033) Affected: 2.0(2.260101) Affected: 4.2(3q) Affected: 4.2(3r) Affected: 1.2(0.260005) |
|
| Cisco | Cisco Unified Computing System E-Series Software (UCSE) |
Affected:
4.11.1
Affected: 4.12.1 Affected: 4.12.2 Affected: 4.15.2 Affected: 4.15.3 Affected: 4.15.4 |
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},
{
"status": "affected",
"version": "4.15.2"
},
{
"status": "affected",
"version": "4.15.3"
},
{
"status": "affected",
"version": "4.15.4"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the Unified Extensible Firmware Interface (UEFI) Shell implementation of Cisco UCS Servers and UCS-based appliances could allow an authenticated attacker with valid credentials for a user account with the role of user or admin\u0026nbsp;or an unauthenticated attacker with physical access to an affected device to bypass UEFI Secure Boot validation checks and execute unauthorized software.\r\n\r\nThis vulnerability is due to the availability of memory write commands in the UEFI Shell while UEFI Secure Boot is enabled on a device. An attacker could exploit this vulnerability by selecting the UEFI Shell boot option at boot time and using available shell commands to modify UEFI memory variables. A successful exploit could allow the attacker to manipulate the preboot environment, overwrite UEFI Secure Boot-related memory values, and execute unauthorized software on the affected device."
}
],
"exploits": [
{
"lang": "en",
"value": "The Cisco PSIRT is aware that proof-of-concept exploit code is available for the vulnerability described in this advisory.\r\n\r\nThe Cisco PSIRT is not aware of any malicious use of the vulnerability that is described in this advisory."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
},
"format": "cvssV3_1"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-749",
"description": "Exposed Dangerous Method or Function",
"lang": "en",
"type": "cwe"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-16T03:57:05.926Z",
"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"shortName": "cisco"
},
"references": [
{
"name": "cisco-sa-ucs-uefi-sb-bypass-eb6xC5GW",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucs-uefi-sb-bypass-eb6xC5GW"
}
],
"source": {
"advisory": "cisco-sa-ucs-uefi-sb-bypass-eb6xC5GW",
"defects": [
"CSCwt77804"
],
"discovery": "EXTERNAL"
},
"title": "Cisco UCS and UCS-Based Appliances UEFI Shell Secure Boot Bypass Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2026-20293",
"datePublished": "2026-09-08T16:04:40.874Z",
"dateReserved": "2025-10-08T11:59:15.405Z",
"dateUpdated": "2026-09-16T03:57:05.926Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
Mitigation
Architecture and Design
If you must expose a method, make sure to perform input validation on all arguments, limit access to authorized parties, and protect against all possible vulnerabilities.
Mitigation
Architecture and Design
Implementation
Strategy: Attack Surface Reduction
- Identify all exposed functionality. Explicitly list all functionality that must be exposed to some user or set of users. Identify which functionality may be:
- Ensure that the implemented code follows these expectations. This includes setting the appropriate access modifiers where applicable (public, private, protected, etc.) or not marking ActiveX controls safe-for-scripting.
- accessible to all users
- restricted to a small set of privileged users
- prevented from being directly accessible at all
CAPEC-500: WebView Injection
An adversary, through a previously installed malicious application, injects code into the context of a web page displayed by a WebView component. Through the injected code, an adversary is able to manipulate the DOM tree and cookies of the page, expose sensitive information, and can launch attacks against the web application from within the web page.