VULNERABILITY INTELLIGENCE

CVE-2021-1423

CVSS score4.4 MEDIUM
EPSS probability0.24%
CISA KEVNot currently listed
Published2021-03-24
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 implementation of a CLI command in Cisco Aironet Access Points (AP) could allow an authenticated, local attacker to overwrite files in the flash memory of the device. This vulnerability is due to insufficient input validation for a specific command. An attacker could exploit this vulnerability by issuing a command with crafted arguments. A successful exploit could allow the attacker to overwrite or create files with data that is already present in other files that are hosted on the affected device.

Weakness classification

  • psirt@cisco.com: CWE-668
  • nvd@nist.gov: CWE-668

Primary references