What’s Vulnerable › Vulnerabilities

CVE-2021-25645

• Severity: medium (CVSS 4.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-05-10 · updated 2026-06-17
• Weakness: CWE-312

Description

An issue was discovered in Couchbase Server before 6.0.5, 6.1.x through 6.5.x before 6.5.2, and 6.6.x before 6.6.1. An internal user with administrator privileges, @ns_server, leaks credentials in cleartext in the cbcollect_info.log, debug.log, ns_couchdb.log, indexer.log, and stats.log files. NOTE: updating the product does not automatically address leaks that occurred in the past.

Affected products

• Couchbase Server: before 6.0.5; from 6.1.0 before 6.5.2; from 6.6.0 before 6.6.1 — fixed in 6.0.5, 6.5.2, 6.6.1

How to fix

Upgrade to a fixed version: Couchbase Server 6.0.5, 6.5.2, 6.6.1. Check the vendor advisory for mitigations.

References

• https://www.couchbase.com/downloads
• https://www.couchbase.com/resources/security#SecurityAlerts
• https://www.couchbase.com/downloads
• https://www.couchbase.com/resources/security#SecurityAlerts

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