What’s Vulnerable › Vulnerabilities

CVE-2022-42951

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-02-06 · updated 2026-06-17
• Weakness: CWE-287

Description

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 Server: from 6.5.0 before 6.6.6; from 7.0.0 before 7.0.5; from 7.1.0 before 7.1.2 — fixed in 6.6.6, 7.0.5, 7.1.2

How to fix

Upgrade to a fixed version: Couchbase Server 6.6.6, 7.0.5, 7.1.2. Check the vendor advisory for mitigations.

References

• https://docs.couchbase.com/server/current/release-notes/relnotes.html
• https://forums.couchbase.com/tags/security
• https://www.couchbase.com/alerts/
• https://docs.couchbase.com/server/current/release-notes/relnotes.html
• https://forums.couchbase.com/tags/security
• https://www.couchbase.com/alerts/

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