VULNERABILITY INTELLIGENCE

CVE-2023-20234

CVSS score4.4 MEDIUM
EPSS probability0.18%
CISA KEVNot currently listed
Published2023-08-23
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Description

A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to create a file or overwrite any file on the filesystem of an affected device, including system files. The vulnerability occurs because there is no validation of parameters when a specific CLI command is used. An attacker could exploit this vulnerability by authenticating to an affected device and using the command at the CLI. A successful exploit could allow the attacker to overwrite any file on the disk of the affected device, including system files. The attacker must have valid administrative credentials on the affected device to exploit this vulnerability.

Weakness classification

  • psirt@cisco.com: CWE-73
  • nvd@nist.gov: CWE-732

Primary references