CVEvulnerability

CVE-2026-20100

7.7 HIGH Published 2026-03-04 Modified 2026-08-11 Official page ↗
Status
Analyzed
Published
2026-03-04
Last modified
2026-08-11
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.7 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Weaknesses
CWE-120

Description

A vulnerability in the LUA interperter of the Remote Access SSL VPN feature of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall Threat Defense (FTD) Software could allow an authenticated, remote attacker with a valid VPN connection to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition. This does not affect the management or MUS interfaces. This vulnerability is due to trusting user input without validation in the LUA interprerter. An attacker could exploit this vulnerability by sending crafted HTTP packets to the Remote Access SSL VPN server. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

Affected configurations

• 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 • cisco adaptive security appliance software 9.12.3.7 • cisco adaptive security appliance software 9.12.3.9 • cisco adaptive security appliance software 9.12.3.12 • cisco adaptive security appliance software 9.12.4 • cisco adaptive security appliance software 9.12.4.2 • cisco adaptive security appliance software 9.12.4.4 • cisco adaptive security appliance software 9.12.4.7 • cisco adaptive security appliance software 9.12.4.8 • cisco adaptive security appliance software 9.12.4.10 • cisco adaptive security appliance software 9.12.4.13 • cisco adaptive security appliance software 9.12.4.18 • cisco adaptive security appliance software 9.12.4.24 • cisco adaptive security appliance software 9.12.4.26 • cisco adaptive security appliance software 9.12.4.29 • cisco adaptive security appliance software 9.12.4.30 • cisco adaptive security appliance software 9.12.4.35 • cisco adaptive security appliance software 9.12.4.37 • cisco adaptive security appliance software 9.12.4.38 • cisco adaptive security appliance software 9.12.4.39 • cisco adaptive security appliance software 9.12.4.40 • cisco adaptive security appliance software 9.12.4.41 • cisco adaptive security appliance software 9.12.4.47 • cisco adaptive security appliance software 9.12.4.48 • cisco adaptive security appliance software 9.12.4.50 • cisco adaptive security appliance software 9.12.4.52 • cisco adaptive security appliance software 9.12.4.54 • cisco adaptive security appliance software 9.12.4.55 • cisco adaptive security appliance software 9.12.4.56 • cisco adaptive security appliance software 9.12.4.58 • cisco adaptive security appliance software 9.12.4.62 • cisco adaptive security appliance software 9.12.4.65 • cisco adaptive security appliance software 9.12.4.67 • cisco adaptive security appliance software 9.16.1 • cisco adaptive security appliance software 9.16.1.28 • cisco adaptive security appliance software 9.16.2 • cisco adaptive security appliance software 9.16.2.3 • cisco adaptive security appliance software 9.16.2.7 • cisco adaptive security appliance software 9.16.2.11 • cisco adaptive security appliance software 9.16.2.13 • cisco adaptive security appliance software 9.16.2.14 • cisco adaptive security appliance software 9.16.3 • cisco adaptive security appliance software 9.16.3.3 • cisco adaptive security appliance software 9.16.3.14 • cisco adaptive security appliance software 9.16.3.15 • cisco adaptive security appliance software 9.16.3.19 • cisco adaptive security appliance software 9.16.3.23 • cisco adaptive security appliance software 9.16.4 • cisco adaptive security appliance software 9.16.4.9 • cisco adaptive security appliance software 9.16.4.14 • cisco adaptive security appliance software 9.16.4.19 … and 162 more

Related

Weakness · CWE (1)

  • CWE-120 Buffer Copy without Checking Size of Input weakness

References