🛡️ CVE-2025-20333
🔴 CVSS 9.9 — Critical ✅ No Known Exploit CWE-120 NVD
9.9
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

A vulnerability in the VPN web server of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an authenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to improper validation of user-supplied input in HTTP(S) requests. An attacker with valid VPN user credentials could exploit this vulnerability by sending crafted HTTP requests to an affected device. A successful exploit could allow the attacker to execute arbitrary code as root, possibly resulting in the complete compromise of the affected device.

Details

Severity CRITICAL
CVSS Score 9.9
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE CWE-120
Public Exploit ✅ No
Source NVD
Published 2025-09-25
Updated 2026-06-02
Modified 2025-10-28
Fix URL N/A

Affected Packages

Software From version Fixed in
adaptive-security-appliance-software 9.22 9.22.1.3
firepower-threat-defense — —

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