๐Ÿ” CVE Alert

CVE-2025-30189

HIGH 7.4
CVSS Score
7.4
EPSS Score
0.0%
EPSS Percentile
9th

When cache is enabled, some passdb/userdb drivers incorrectly cache all users with same cache key, causing wrong cached information to be used for these users. After cached login, all subsequent logins are for same user. Install fixed version or disable caching either globally or for the impacted passdb/userdb drivers. No publicly available exploits are known.

CWE CWE-1250
Vendor open-xchange gmbh
Product ox dovecot pro
Published Oct 31, 2025
Last Updated Mar 27, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

Affected Versions

Open-Xchange GmbH / OX Dovecot Pro
0 โ‰ค 3.1.0 0 โ‰ค 2.4.0

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
documentation.open-xchange.com: https://documentation.open-xchange.com/dovecot/security/advisories/csaf/2026/oxdc-adv-2026-0001.json seclists.org: http://seclists.org/fulldisclosure/2025/Oct/29 openwall.com: http://www.openwall.com/lists/oss-security/2025/10/29/4