CVE-2026-8480: fallo de gravedad media en Stormshield Network Security
Connection possible to the Administration portal with a revoked certificate
Publicada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
13Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 4.3epss 0.1%
A vulnerability was discovered on Stormshield Network Security 4.3.0 to 4.3.41 (included), 4.4.0 to 4.8.15 (included) , 5.0.2 EA to 5.0.5 (included)
A revoked client certificate can still be used to authenticate to the captive‑admin portal, allowing an attacker who possesses the revoked certificate to gain administrative access.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Productos afectados
Stormshield · Stormshield Network SecurityCVEs relacionadas — Stormshield Network Security
En el mismo producto, de las más peligrosas a las menos.
CVE-2026-14466MEDIUMPossible XSS in the SNS web administration panelEPSS 0.2%CVE-2026-8482MEDIUMInformation leak in NSRPC client historyEPSS 0.2%CVE-2026-113465MEDIUMPossible DOM XSS in SNS Web Administration PortalEPSS 0.2%CVE-2026-111088MEDIUMStored XSS in the VPN logs monitorEPSS 0.2%CVE-2026-113808HIGHStored XSS on SNS Enrollment PortalEPSS 0.2%CVE-2026-113469HIGHImproper Signature Verification of Active Update FilesEPSS 0.2%
Referencias
https://advisories.stormshield.eu/2026-002/