7.8Alta KEV Usada en ransomware

CVE-2020-3433Cisco AnyConnect Secure Mobility Client for Windows DLL Hijacking Vulnerability

Cisco Cisco AnyConnect Secure Mobility Client Publicada: (hace 6 años)

Explotación conocida — Cisco AnyConnect Secure Mobility Client for Windows DLL Hijacking Vulnerability

CISA confirmó el 24.10.2022 que esta vulnerabilidad se usa en ataques reales. Plazo para las agencias federales de EE. UU.: 14.11.2022.

Acción requerida: Apply updates per vendor instructions. https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-dll-F26WwJW; https://nvd.nist.gov/vuln/detail/CVE-2020-3433

Descripción

A vulnerability in the interprocess communication (IPC) channel of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to perform a DLL hijacking attack. To exploit this vulnerability, the attacker would need to have valid credentials on the Windows system. The vulnerability is due to insufficient validation of resources that are loaded by the application at run time. An attacker could exploit this vulnerability by sending a crafted IPC message to the AnyConnect process. A successful exploit could allow the attacker to execute arbitrary code on the affected machine with SYSTEM privileges. To exploit this vulnerability, the attacker would need to have valid credentials on the Windows system.

Debilidad (CWE): CWE-427

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

FabricanteProductoVersiones
cisco anyconnect secure mobility client < 4.9.00086
Cisco Cisco AnyConnect Secure Mobility Client —

Referencias y parches

Coincidencias CPE (NVD) (1)

  • cpe:2.3:a:cisco:anyconnect_secure_mobility_client:*:*:*:*:*:windows:*:* < 4.9.00086