Cyber Resilience

CVE-2022-20934

Medium

Published: 15 November 2022

Published
15 November 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
EPSS Score 0.0011 29.1th percentile
Risk Priority 12 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-20934 is a medium-severity Command Injection (CWE-77) vulnerability in Cisco Firepower Extensible Operating System. Its CVSS base score is 6.0 (Medium).

Operationally, ranked at the 29.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A vulnerability in the CLI of Cisco Firepower Threat Defense (FTD) Software and Cisco FXOS Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system as root. This vulnerability is due to improper input…

more

validation for specific CLI commands. An attacker could exploit this vulnerability by injecting operating system commands into a legitimate command. A successful exploit could allow the attacker to escape the restricted command prompt and execute arbitrary commands on the underlying operating system. To successfully exploit this vulnerability, an attacker would need valid Administrator credentials.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

cisco
firepower threat defense
6.2.1, 6.6.0, 6.6.0.1, 6.6.1, 6.6.3 · 6.1.0 — 6.1.0.7 · 6.2.0 — 6.2.0.6 · 6.2.2 — 6.2.2.5
cisco
firepower extensible operating system
1.1.1.147, 1.1.1.160, 1.1.2.178, 1.1.2.51, 1.1.3.84

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.

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.

addresses: CWE-78

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

References