CVE-2026-20184criticalCWE-295

CVE-2026-20184: fallo crítico en Cisco Webex Meetings

Cisco Webex Meetings Certificate Validation Vulnerability

Publicada el · Actualizada el

Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.

28Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 9.8epss 0.5%
A vulnerability in the integration of single sign-on (SSO) with Control Hub in Cisco Webex Services could have allowed an unauthenticated, remote attacker to impersonate any user within the service. This vulnerability existed because of improper certificate validation. Prior to this vulnerability being addressed, an attacker could have exploited this vulnerability by connecting to a service endpoint and supplying a crafted token. A successful exploit could have allowed the attacker to gain unauthorized access to legitimate Cisco Webex services.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H