CVE-2021-34761

 

Published at: - 27-10-2021 09:15

Last modified: - 21-11-2022 03:37

Total changes: - 3

Description

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.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

 

Verification logic

 

Reference

• 20211027 Cisco Firepower Threat Defense Software CLI Arbitrary File Write Vulnerability-Vendor Advisory

 

Keywords

NVD

 

CVE-2021-34761

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures