SB2024102440 - Denial of service in Cisco Adaptive Security Appliance and Firepower Threat Defense Software



SB2024102440 - Denial of service in Cisco Adaptive Security Appliance and Firepower Threat Defense Software

Published: October 24, 2024

Security Bulletin ID SB2024102440
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Partial DoS

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Missing Release of Resource after Effective Lifetime (CVE-ID: CVE-2024-20493)

CWE-ID: CWE-772 - Missing Release of Resource after Effective Lifetime

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to ineffective handling of memory resources during the authentication process within the login authentication functionality of the Remote Access SSL VPN feature. A remote attacker can cause a denial of service condition on the target system.


Remediation

Install update from vendor's website.