Interpretation conflict in Cisco Firewall Threat Defense (FTD) and Cisco Adaptive Security Appliance (ASA) - CVE-2024-20293

 

Interpretation conflict in Cisco Firewall Threat Defense (FTD) and Cisco Adaptive Security Appliance (ASA) - CVE-2024-20293

Published: May 27, 2024


Vulnerability identifier: #VU89824
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-20293
CWE-ID: CWE-436
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to a logic error when activating an access control list (ACL). A remote non-authenticated attacker can bypass implemented access controls and gain unauthorized access to the network.


Affected software

Cisco Firewall Threat Defense (FTD)
Cisco Adaptive Security Appliance (ASA)

How to mitigate CVE-2024-20293

Install updates from vendor's website.

Cisco Firewall Threat Defense (FTD) - update to 7.4.1
Cisco Adaptive Security Appliance (ASA) - addressed in versions 9.19.1.27, 9.20.2

External References

Related Security Bulletins