CVE-2026-2748

MEDIUM

5.3

Descripcion

SEPPmail Secure Email Gateway before version 15.0.1 improperly validates S/MIME certificates issued for email addresses containing whitespaces, allowing signature spoofing.

Detalles CVE

Puntuacion CVSS v3.15.3

SeveridadMEDIUM

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

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosNONE

Interaccion usuarioNONE

Publicado3/4/2026

Ultima modificacion3/5/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

seppmail:seppmail

Debilidades (CWE)

CWE-295

Referencias

https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#seppmail-vulnerability-disclosure(vulnerability@ncsc.ch)

Correlaciones IOC

Sin correlaciones registradas

This product uses data from the NVD API but is not endorsed or certified by the NVD.