Improper access control in Cisco Firepower Threat Defense Software

1) Improper access control

EUVDB-ID: #VU89833

Risk: Medium

CVSSv3.1: 5.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-20261

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to a logic error when a specific class of encrypted archive files is inspected. A remote attacker can bypass a configured file policy to block an encrypted archive file.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Firepower Threat Defense (FTD): 6.2.3 - 7.3.1.2

CPE2.3

• cpe:2.3:h:cisco_systems:cisco_ftd:6.6.7.2:*:*:*:*:*:*:*
• cpe:2.3:h:cisco_systems:cisco_ftd:7.3.1.2:*:*:*:*:*:*:*
• cpe:2.3:h:cisco_systems:cisco_ftd:6.2.3.18:*:*:*:*:*:*:*
• cpe:2.3:h:cisco_systems:cisco_ftd:6.4.0.16:*:*:*:*:*:*:*
• cpe:2.3:h:cisco_systems:cisco_ftd:7.0.5:*:*:*:*:*:*:*
• cpe:2.3:h:cisco_systems:cisco_ftd:7.1.0.3:*:*:*:*:*:*:*
• cpe:2.3:h:cisco_systems:cisco_ftd:7.2.4:*:*:*:*:*:*:*
• cpe:2.3:h:cisco_systems:cisco_ftd:7.3.0:*:*:*:*:*:*:*
• cpe:2.3:h:cisco_systems:cisco_ftd:7.2.3:*:*:*:*:*:*:*
• cpe:2.3:h:cisco_systems:cisco_ftd:7.2.2:*:*:*:*:*:*:*
• cpe:2.3:h:cisco_systems:cisco_ftd:7.2.1:*:*:*:*:*:*:*
• cpe:2.3:h:cisco_systems:cisco_ftd:7.2.0.1:*:*:*:*:*:*:*
• cpe:2.3:h:cisco_systems:cisco_ftd:6.7.0.3:*:*:*:*:*:*:*

External links

http://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-archive-bypass-z4wQjwcN

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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