PT-2021-4882 · Cisco · Cisco Ftd

Brandon Sakai · Published 2021-10-27 · Updated 2022-10-24 · CVE-2021-34756

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Cisco Firepower Threat Defense (FTD) Software (affected versions not specified)

Description The issue is related to insufficient validation of command arguments in the Command Line Interface (CLI) of Cisco Firepower Threat Defense (FTD) Software. This could allow an authenticated, local attacker to execute arbitrary commands with root privileges.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Command Injection

RCE

OS Command Injection

Weakness Enumeration

CWE-77

CWE-20

CWE-78

Related Identifiers

BDU:2021-05616

CVE-2021-34756

Affected Products

Cisco Ftd

References · 5

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-cmdinject-FmzsLN8 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-05616 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-34756 · Security Note
• https://osv.dev/vulnerability/CVE-2021-34756 · Vendor Advisory
• https://t.me/cibsecurity/31303 · Telegram Post