Cisco ASA/FTD SSL VPN Authentication DoS Vulnerability (CVE-2024-20493) Advisory

From this webpage screenshot, the following key vulnerability information can be obtained: 1. Vulnerability Description: - Vulnerability Name: Cisco Adaptive Security Appliance and Firepower Threat Defense Software Remote Access SSL VPN Authentication Targeted Denial of Service Vulnerability - Vulnerability ID: cisco-sa-asa-vpn-4gYEWMKg - CVE Number: CVE-2024-20493 - CWE Number: CWE-772 - CVSS Score: Base 5.3 2. Affected Products: - Cisco Adaptive Security Appliance (ASA) Software - Cisco Firepower Threat Defense (FTD) Software 3. Impact: - Unauthorized remote attackers can exploit this vulnerability to cause further denial of authentication for VPN users, resulting in service disruption (DoS). 4. Root Cause: - Improper handling of memory resources during the login authentication process. 5. Remediation: - Cisco has released software updates to address this vulnerability. - No workarounds are available. 6. Affected Software Versions: - ASA and FTD software versions released on October 23, 2024. 7. Workarounds: - No workarounds are available. 8. Fixed Software: - It is recommended to regularly check Cisco’s security advisories to determine exposure and obtain complete upgrade solutions. 9. List of Affected Products: - A list of affected Cisco products is provided. 10. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 11. Products Not Affected: - Cisco Secure Firewall Management Center Software is not affected. 12. Workarounds: - No workarounds are available. 13. Fixed Software: - Use the Cisco Software Checker tool to determine exposure and obtain upgrade solutions. 14. Affected Software Versions: - ASA and FTD software versions released on October 23, 2024. 15. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 16. List of Affected Products: - A list of affected Cisco products is provided. 17. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 18. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 19. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 20. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 21. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 22. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 23. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 24. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 25. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 26. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 27. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 28. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 29. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 30. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 31. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 32. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 33. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 34. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 35. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 36. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 37. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 38. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 39. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 40. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 41. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 42. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 43. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 44. Affected Configurations: - Use the command to check if SSL VPN functionality is enabled on the software. 45. Affected Confi

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Cisco ASA/FTD SSL VPN Authentication DoS Vulnerability (CVE-2024-20493) Advisory