CVE-2024-20297

Cisco Adaptive Security Appliance and Firepower Threat Defense AnyConnect Access Control List Bypass Vulnerability

Description

A vulnerability in the AnyConnect firewall for Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass a configured access control list (ACL) and allow traffic that should have been denied to flow through an affected device. This vulnerability is due to a logic error in populating group ACLs when an AnyConnect client establishes a new session toward an affected device. An attacker could exploit this vulnerability by establishing an AnyConnect connection to the affected device. A successful exploit could allow the attacker to bypass configured ACL rules.

Category

5.8
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.05%
Vendor Advisory cisco.com Vendor Advisory cisco.com
Affected: Cisco Cisco Adaptive Security Appliance (ASA) Software
Affected: Cisco Cisco Firepower Threat Defense Software
Published at:
Updated at:

References

Link Tags
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-acl-bypass-VvnLNKqf vendor advisory
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-xss-M446vbEO broken link
https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75300 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-20297?
CVE-2024-20297 has been scored as a medium severity vulnerability.
How to fix CVE-2024-20297?
To fix CVE-2024-20297, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-20297 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-20297 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-20297?
CVE-2024-20297 affects Cisco Cisco Adaptive Security Appliance (ASA) Software, Cisco Cisco Firepower Threat Defense Software.
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