Multiple vulnerabilities in Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software

Published: 2023-11-02

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-20245 CVE-2023-20256
CWE-ID	CWE-840
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Cisco Adaptive Security Appliance (ASA) Hardware solutions / Security hardware applicances Cisco Firepower Threat Defense (FTD) Hardware solutions / Security hardware applicances
Vendor	Cisco Systems, Inc

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Business Logic Errors

EUVDB-ID: #VU82669

Risk: Medium

CVSSv4.0: 2.7 [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-2023-20245

CWE-ID: CWE-840 - Business Logic Errors (3.0)

Exploit availability: No

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Adaptive Security Appliance (ASA): 9.12.4.26 - 9.19.1.9

Cisco Firepower Threat Defense (FTD): 9.12.4.26 - 9.19.1.9

CPE2.3

External links

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ac-acl-bypass-bwd7q6Gb

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.

2) Business Logic Errors

EUVDB-ID: #VU82670