CVEvulnerability

CVE-2024-20493

5.3 MEDIUM Published 2024-10-23 Modified 2026-08-11 Official page ↗
Status
Analyzed
Published
2024-10-23
Last modified
2026-08-11
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS 3.1 ([email protected])
5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weaknesses
CWE-772

Description

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.

Affected configurations

• cisco secure firewall threat defense 6.2.3 • cisco secure firewall threat defense 6.2.3.1 • cisco secure firewall threat defense 6.2.3.2 • cisco secure firewall threat defense 6.2.3.3 • cisco secure firewall threat defense 6.2.3.4 • cisco secure firewall threat defense 6.2.3.5 • cisco secure firewall threat defense 6.2.3.6 • cisco secure firewall threat defense 6.2.3.7 • cisco secure firewall threat defense 6.2.3.8 • cisco secure firewall threat defense 6.2.3.9 • cisco secure firewall threat defense 6.2.3.10 • cisco secure firewall threat defense 6.2.3.11 • cisco secure firewall threat defense 6.2.3.12 • cisco secure firewall threat defense 6.2.3.13 • cisco secure firewall threat defense 6.2.3.14 • cisco secure firewall threat defense 6.2.3.15 • cisco secure firewall threat defense 6.2.3.16 • cisco secure firewall threat defense 6.2.3.17 • cisco secure firewall threat defense 6.2.3.18 • cisco secure firewall threat defense 6.4.0 • cisco secure firewall threat defense 6.4.0.1 • cisco secure firewall threat defense 6.4.0.2 • cisco secure firewall threat defense 6.4.0.3 • cisco secure firewall threat defense 6.4.0.4 • cisco secure firewall threat defense 6.4.0.5 • cisco secure firewall threat defense 6.4.0.6 • cisco secure firewall threat defense 6.4.0.7 • cisco secure firewall threat defense 6.4.0.8 • cisco secure firewall threat defense 6.4.0.9 • cisco secure firewall threat defense 6.4.0.10 • cisco secure firewall threat defense 6.4.0.11 • cisco secure firewall threat defense 6.4.0.12 • cisco secure firewall threat defense 6.4.0.13 • cisco secure firewall threat defense 6.4.0.14 • cisco secure firewall threat defense 6.4.0.15 • cisco secure firewall threat defense 6.4.0.16 • cisco secure firewall threat defense 6.4.0.17 • cisco secure firewall threat defense 6.4.0.18 • cisco secure firewall threat defense 6.6.0 • cisco secure firewall threat defense 6.6.0.1 • cisco secure firewall threat defense 6.6.1 • cisco secure firewall threat defense 6.6.3 • cisco secure firewall threat defense 6.6.4 • cisco secure firewall threat defense 6.6.5 • cisco secure firewall threat defense 6.6.5.1 • cisco secure firewall threat defense 6.6.5.2 • cisco secure firewall threat defense 6.6.7 • cisco secure firewall threat defense 6.6.7.1 • cisco secure firewall threat defense 6.6.7.2 • cisco secure firewall threat defense 6.7.0 • cisco secure firewall threat defense 6.7.0.1 • cisco secure firewall threat defense 6.7.0.2 • cisco secure firewall threat defense 6.7.0.3 • cisco secure firewall threat defense 7.0.0 • cisco secure firewall threat defense 7.0.0.1 • cisco secure firewall threat defense 7.0.1 • cisco secure firewall threat defense 7.0.1.1 • cisco secure firewall threat defense 7.0.2 • cisco secure firewall threat defense 7.0.2.1 • cisco secure firewall threat defense 7.0.3 … and 234 more

Related

Weakness · CWE (1)

  • CWE-772 Missing Release of Resource after Effective Lifetime weakness

References