CVE-2022-42951: Couchbase Server

High severity, CVSS 8.1. EPSS: 0.7% chance of exploitation in the next 30 days.

An issue was discovered in Couchbase Server 6.5.x and 6.6.x before 6.6.6, 7.x before 7.0.5, and 7.1.x before 7.1.2. During the start-up of a Couchbase Server node, there is a small window of time (before the cluster management authentication has started) where an attacker can connect to the cluster manager using default credentials.

Affected products

• Couchbase Couchbase Server: from 6.5.0, before 6.6.6 (fixed in 6.6.6); from 7.0.0, before 7.0.5 (fixed in 7.0.5); from 7.1.0, before 7.1.2 (fixed in 7.1.2)

Published 2023-02-06. Last modified 2026-06-17.