PT-2021-4684 · Cisco · Cisco Ftd

Ilkin Gasimov · Published 2021-10-27 · Updated 2022-10-27 · CVE-2021-34755

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.

OS Command Injection

Command Injection

RCE

Weakness Enumeration

CWE-78

CWE-77

CWE-20

Related Identifiers

BDU:2021-05377

CVE-2021-34755

Affected Products

Cisco Ftd

References · 7

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-cmdinject-FmzsLN8 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-34755 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-34755 · Security Note
• https://bdu.fstec.ru/vul/2021-05377 · Security Note
• https://t.me/cvenotify/22520 · Telegram Post
• https://cybersecurity-help.cz/vulnerabilities/57788 · Note
• https://t.me/cibsecurity/31315 · Telegram Post