CVE-2026-27856

HIGH

7.4

Descripcion

Doveadm credentials are verified using direct comparison which is susceptible to timing oracle attack. An attacker can use this to determine the configured credentials. Figuring out the credential will lead into full access to the affected component. Limit access to the doveadm http service port, install fixed version. No publicly available exploits are known.

Detalles CVE

Puntuacion CVSS v3.17.4

SeveridadHIGH

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

Vector de ataqueNETWORK

ComplejidadHIGH

Privilegios requeridosNONE

Interaccion usuarioNONE

Publicado3/27/2026

Ultima modificacion3/27/2026

Fuentenvd

Avistamientos honeypot0

Debilidades (CWE)

CWE-287

Referencias

https://documentation.open-xchange.com/dovecot/security/advisories/csaf/2026/oxdc-adv-2026-0001.json(security@open-xchange.com)

Correlaciones IOC

Sin correlaciones registradas

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