CVE-2025-20333

CRITICALCISA KEV

9.9

Descripcion

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.

Detalles CVE

Puntuacion CVSS v3.19.9

SeveridadCRITICAL

Vector CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosLOW

Interaccion usuarioNONE

Publicado9/25/2025

Ultima modificacion10/28/2025

Fuentekev

Avistamientos honeypot0

CISA KEV

VendedorCisco

ProductoSecure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense

Nombre vulnerabilidadCisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Buffer Overflow Vulnerability

Fecha inclusion KEV2025-09-25

Fecha limite remediacion2025-09-26

Uso en ransomwareUnknown

Productos afectados

cisco:adaptive_security_appliance_softwarecisco:firepower_threat_defense

Debilidades (CWE)

CWE-120

Referencias

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-webvpn-z5xP8EUB(psirt@cisco.com)

https://sec.cloudapps.cisco.com/security/center/resources/asa_ftd_continued_attacks(134c704f-9b21-4f2e-91b3-4a467353bcc0)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-20333(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlaciones IOC

Sin correlaciones registradas

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