Path traversal in Cisco Firepower Management Center Software

1) Path traversal

EUVDB-ID: #VU57794

Risk: High

CVSSv4.0: 6.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-34762

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the web-based management interface. A remote authenticated attacker can send a specially crafted HTTP request and read or write arbitrary files on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Cisco Secure Firewall Management Center (formerly Firepower Management Center, FMC): - - 6.7.0

CPE2.3

• cpe:2.3:a:cisco_systems:cisco_firepower_management_center:*:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:cisco_firepower_management_center:6.2.2:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:cisco_firepower_management_center:6.2.3:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:cisco_firepower_management_center:6.3.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:cisco_firepower_management_center:6.4.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:cisco_firepower_management_center:6.5.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:cisco_firepower_management_center:6.6.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:cisco_firepower_management_center:6.7.0:*:*:*:*:*:*:*

External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-dir-traversal-95UyW5tk

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.