Vulnerability Database

289,599

Total vulnerabilities in the database

CVE-2021-34761

A vulnerability in Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, local attacker to overwrite or append arbitrary data to system files using root-level privileges. The attacker must have administrative credentials on the device. This vulnerability is due to incomplete validation of user input for a specific CLI command. An attacker could exploit this vulnerability by authenticating to the device with administrative privileges and issuing a CLI command with crafted user parameters. A successful exploit could allow the attacker to overwrite or append arbitrary data to system files using root-level privileges.

  • Published: Oct 27, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-34761
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6
  • AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

CVSS v2:

  • Severity: Medium
  • Score: 6.6
  • AV:L/AC:L/Au:N/C:N/I:C/A:C

CWEs: