CVE-2026-27443

HIGH

7.5

Description

SEPPmail Secure Email Gateway before version 15.0.1 does not properly sanitize the headers from S/MIME protected MIME entities, allowing an attacker to control trusted headers.

Details CVE

Score CVSS v3.17.5

SeveriteHIGH

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie3/4/2026

Derniere modification3/5/2026

Sourcenvd

Observations honeypot0

Produits affectes

seppmail:seppmail

Faiblesses (CWE)

CWE-20

References

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

Correlations IOC

Aucune correlation enregistree

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