CVE-2026-20312highCWE-312

CVE-2026-20312: fallo de gravedad alta en Cisco Catalyst SD-WAN Controller

Cisco Catalyst SD-WAN Security Hardening Release - Information Disclosure Vulnerabilities

Publicada el · Actualizada el

Seguir esta CVE+ Monitorear Cisco Catalyst SD-WAN Manager+ Monitorear Cisco Catalyst SD-WAN Controller

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

21Vexday Risk Score

Sin señal de explotación. Ella tiene alerta oficial del gobierno de Brasil.

ssvc Trackcvss 8.8epss 0.3%
Alerta oficial en Brasil

El gobierno federal de Brasil publicó una alerta, recomendación o boletín que cita esta vulnerabilidad.

Fuente: CTIR Gov (GSI) y CISC Gov.br, bajo licencia CC BY-ND 3.0.
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Catalyst SD-WAN engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20312 are related to Cleartext storage of sensitive information issues that are grouped under the Common Weakness Enumeration (CWE) CWE-312.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Productos afectados
Cisco · Cisco Catalyst SD-WAN ControllerCisco · Cisco Catalyst SD-WAN Manager
CVEs relacionadas — Cisco Catalyst SD-WAN Controller

En el mismo producto, de las más peligrosas a las menos.

CVE-2026-20182CRITICALCisco Catalyst SD-WAN Controller Authentication Bypass VulnerabilityEPSS 91.8%KEVCVE-2026-20127CRITICALCisco Catalyst SD-WAN Controller Authentication Bypass VulnerabilityEPSS 87.6%KEVCVE-2026-76504CRITICALCisco Catalyst SD-WAN Manager System Account Authorization Bypass VulnerabilityEPSS 38.9%KEVCVE-2026-20133MEDIUMCVE-2026-20133EPSS 35.3%KEVCVE-2026-20262MEDIUMCisco Catalyst SD-WAN Manager Arbitrary File Write VulnerabilityEPSS 29.1%KEVCVE-2026-20122MEDIUMCisco Catalyst SD-WAN Manager Arbitrary File Overwrite VulnerabilityEPSS 25.8%KEV