Cyber Resilience

CVE-2021-42165

HighPublic PoCRCE

Published: 03 May 2022

Published
03 May 2022
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.3955 97.4th percentile
Risk Priority 41 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-42165 is a high-severity OS Command Injection (CWE-78) vulnerability in Mitrastar Gpt-2541Gnac-N1 Firmware. Its CVSS base score is 8.8 (High).

Operationally, ranked in the top 2.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

This vulnerability is AI-related — categorised as APIs and Models.

EU & UK References

Vulnerability details

MitraStar GPT-2541GNAC-N1 (HGU) 100VNZ0b33 devices allow remote authenticated users to obtain root access by executing command "deviceinfo show file &&/bin/bash" because of incorrect sanitization of parameter "path".

CWE(s)
CWE-78

AI Security AnalysisAI

AI Category
APIs and Models
Risk Domain
N/A
OWASP Top 10 for LLMs 2025
None mapped
Classification Reason
Matched keywords: gpt

Related Threats

Affected Assets

mitrastar
gpt-2541gnac-n1 firmware
br_g3.5_100vnz0b33

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SC-27 Platform-independent Applications
addresses: CWE-78

Platform-independent apps typically execute inside a managed runtime or sandbox that restricts direct OS command execution, reducing the ability to exploit OS command injection.

SI-10 Information Input Validation
addresses: CWE-78

Validates inputs to block special elements that would alter OS command execution.

References