CVE-2024-20493
MEDIUMDescription
A vulnerability in the login authentication functionality of the Remote Access SSL VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to deny further VPN user authentications for several minutes, resulting in a temporary denial of service (DoS) condition. This vulnerability is due to ineffective handling of memory resources during the authentication process. An attacker could exploit this vulnerability by sending crafted packets, which could cause resource exhaustion of the authentication process. A successful exploit could allow the attacker to deny authentication for Remote Access SSL VPN users for several minutes, resulting in a temporary DoS condition.
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CVSS v3.1 Score
5.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness Type (CWE)
CWE-772
CWE-772
Affected Products
| Vendor | Product |
|---|---|
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | firepower_threat_defense_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
| cisco | adaptive_security_appliance_software |
References
Frequently Asked Questions
What is CVE-2024-20493? +
A vulnerability in the login authentication functionality of the Remote Access SSL VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to deny further VPN user authentications for several minutes, resulting in a temporary denial of service (DoS) condition.
This vulnerability is due to ineffective handling of memory resources during the authentication process. An attacker could exploit this vulnerability by sending crafted packets, which could cause resource exhaustion of the authentication process. A successful exploit could allow the attacker to deny authentication for Remote Access SSL VPN users for several minutes, resulting in a temporary DoS condition. It has a CVSS v3.1 base score of 5.3 (MEDIUM).
How severe is CVE-2024-20493? +
CVE-2024-20493 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2024-20493? +
CVE-2024-20493 affects products from cisco, specifically: adaptive_security_appliance_software, firepower_threat_defense_software. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-20493? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.
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