RCE in Cisco Firepower Extensible Operating System (Fxos)
CVE-2022-20865
A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to inject arbitrary commands that are executed with root privileges. The attacker would need to have Administrator privileges on the device. This vulnerability is due to insufficient input validation of commands supplied by the user. An attacker could exploit this vulnerability by authenticating to a device and submitting crafted input to the affected command. A successful exploit could allow the attacker to execute commands on the underlying operating system with root privileges.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.003 (27.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2022-20865?
- CVE-2022-20865 is a medium-severity vulnerability in Cisco Firepower Extensible Operating System (Fxos), classified under OS Command Injection. CVSS score: 6.7/10. Published 2022-08-25.
- How severe is CVE-2022-20865?
- Medium severity. CVSS v3 base score is 6.7 out of 10.
- Is CVE-2022-20865 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.