#VU82670 Business Logic Errors in Cisco Adaptive Security Appliance (ASA) and Cisco Firewall Threat Defense (FTD) - CVE-2023-20256
Published: November 2, 2023
Vulnerability identifier: #VU82670
Vulnerability risk: Medium
CVSSv4.0: 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/E:U/U:Green
CVE-ID: CVE-2023-20256
CWE-ID: CWE-840
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Cisco Adaptive Security Appliance (ASA)
Cisco Firewall Threat Defense (FTD)
Cisco Adaptive Security Appliance (ASA)
Cisco Firewall Threat Defense (FTD)
Software vendor:
Cisco Systems, Inc
Cisco Systems, Inc
Description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to a logic error that can occur when the affected software constructs and applies per-user-override rules. A remote attacker can bypass the interface ACL and access resources that should be protected.
Remediation
Install updates from vendor's website.