VULNERABILITY INTELLIGENCE

CVE-2021-1434

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 CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to overwrite arbitrary files in the underlying file system. This vulnerability is due to insufficient validation of the parameters of a specific CLI command. An attacker could exploit this vulnerability by issuing that command with specific parameters. A successful exploit could allow the attacker to overwrite the content of any arbitrary file that resides on the underlying host file system.

Weakness classification

  • CWE-552: Files or Directories Accessible to External Parties

Primary references