Vulnerability identifier: #VU89831

Vulnerability 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-2024-20361

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco Secure Firewall Management Center (formerly Firepower Management Center, FMC)
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to bypass configured access controls.

The vulnerability exists due to the incorrect deployment of the Object Groups for Access Control Lists (ACLs) feature from Cisco FMC Software to managed FTD devices in high-availability setups. A remote attacker can bypass configured access controls and send traffic to devices that are expected to be protected by the affected device.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cisco Secure Firewall Management Center (formerly Firepower Management Center, FMC): 7.1.0 - 7.1.0.3, 7.2.0 - 7.2.3.1, 7.3.0 - 7.3.1

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External links
http://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-object-bypass-fTH8tDjq

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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.