CVEvulnerability

CVE-2024-20331

5.9 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])
6.8 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
CVSS 3.1 ([email protected])
5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-330, CWE-331

Description

A vulnerability in the session 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 prevent users from authenticating. This vulnerability is due to insufficient entropy in the authentication process. An attacker could exploit this vulnerability by determining the handle of an authenticating user and using it to terminate their authentication session. A successful exploit could allow the attacker to force a user to restart the authentication process, preventing a legitimate user from establishing remote access VPN sessions.

Affected configurations

• cisco adaptive security appliance software 9.8.1 • cisco adaptive security appliance software 9.8.1.5 • cisco adaptive security appliance software 9.8.1.7 • cisco adaptive security appliance software 9.8.2 • cisco adaptive security appliance software 9.8.2.8 • cisco adaptive security appliance software 9.8.2.14 • cisco adaptive security appliance software 9.8.2.15 • cisco adaptive security appliance software 9.8.2.17 • cisco adaptive security appliance software 9.8.2.20 • cisco adaptive security appliance software 9.8.2.24 • cisco adaptive security appliance software 9.8.2.26 • cisco adaptive security appliance software 9.8.2.28 • cisco adaptive security appliance software 9.8.2.33 • cisco adaptive security appliance software 9.8.2.35 • cisco adaptive security appliance software 9.8.2.38 • cisco adaptive security appliance software 9.8.2.45 • cisco adaptive security appliance software 9.8.3 • cisco adaptive security appliance software 9.8.3.8 • cisco adaptive security appliance software 9.8.3.11 • cisco adaptive security appliance software 9.8.3.14 • cisco adaptive security appliance software 9.8.3.16 • cisco adaptive security appliance software 9.8.3.18 • cisco adaptive security appliance software 9.8.3.21 • cisco adaptive security appliance software 9.8.3.26 • cisco adaptive security appliance software 9.8.3.29 • cisco adaptive security appliance software 9.8.4 • cisco adaptive security appliance software 9.8.4.3 • cisco adaptive security appliance software 9.8.4.7 • cisco adaptive security appliance software 9.8.4.8 • cisco adaptive security appliance software 9.8.4.10 • cisco adaptive security appliance software 9.8.4.12 • cisco adaptive security appliance software 9.8.4.15 • cisco adaptive security appliance software 9.8.4.17 • cisco adaptive security appliance software 9.8.4.20 • cisco adaptive security appliance software 9.8.4.22 • cisco adaptive security appliance software 9.8.4.25 • cisco adaptive security appliance software 9.8.4.26 • cisco adaptive security appliance software 9.8.4.29 • cisco adaptive security appliance software 9.8.4.32 • cisco adaptive security appliance software 9.8.4.33 • cisco adaptive security appliance software 9.8.4.34 • cisco adaptive security appliance software 9.8.4.35 • cisco adaptive security appliance software 9.8.4.39 • cisco adaptive security appliance software 9.8.4.40 • cisco adaptive security appliance software 9.8.4.41 • cisco adaptive security appliance software 9.8.4.43 • cisco adaptive security appliance software 9.8.4.44 • cisco adaptive security appliance software 9.8.4.45 • cisco adaptive security appliance software 9.8.4.46 • cisco adaptive security appliance software 9.8.4.48 • cisco adaptive security appliance software 9.12.1 • cisco adaptive security appliance software 9.12.1.2 • cisco adaptive security appliance software 9.12.1.3 • cisco adaptive security appliance software 9.12.2 • cisco adaptive security appliance software 9.12.2.1 • cisco adaptive security appliance software 9.12.2.4 • cisco adaptive security appliance software 9.12.2.5 • cisco adaptive security appliance software 9.12.2.9 • cisco adaptive security appliance software 9.12.3 • cisco adaptive security appliance software 9.12.3.2 … and 212 more

Related

Weakness · CWE (2)

  • CWE-330 Use of Insufficiently Random Values weakness
  • CWE-331 Insufficient Entropy weakness

References