RCE in Cisco Firepower Extensible Operating System (Fxos)
CVE-2022-20934
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 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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.003 (19.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Cisco Firepower Extensible Operating System (Fxos) — versions 2.2.1.63, 2.2.1.66, 2.2.1.70
- Cisco Firepower Threat Defense Software — versions 6.2.3, 6.2.3.1, 6.2.3.2
- Cisco Firepower Extensible Operating System — versions 1.1.1.147, 1.1.1.160, 1.1.2.51
- Cisco Firepower Threat Defense — versions 6.2.1, 6.6.0, 6.6.0.1
- Cisco Secure Firewall Threat Defense — versions 6.2.1, 6.6.0, 6.6.0.1
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2022-20934?
- CVE-2022-20934 is a medium-severity vulnerability in Cisco Firepower Extensible Operating System (Fxos), classified under Command Injection. CVSS score: 6.0/10. Published 2022-11-15.
- How severe is CVE-2022-20934?
- Medium severity. CVSS v3 base score is 6.0 out of 10.