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Search Results (2 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2026-27855 2 Dovecot, Open-xchange 3 Dovecot, Dovecot, Ox Dovecot Pro 2026-04-29 6.8 Medium
Dovecot OTP authentication is vulnerable to replay attack under specific conditions. If auth cache is enabled, and username is altered in passdb, then OTP credentials can be cached so that same OTP reply is valid. An attacker able to observe an OTP exchange is able to log in as the user. If authentication happens over unsecure connection, switch to SCRAM protocol. Alternatively ensure the communcations are secured, and if possible switch to OAUTH2 or SCRAM. No publicly available exploits are known.
CVE-2025-30189 1 Open-xchange 1 Ox Dovecot Pro 2025-11-27 7.4 High
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.