What’s Vulnerable › Vulnerabilities

CVE-2021-27924

• Severity: medium (CVSS 5.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-05-19 · updated 2026-06-17
• Weakness: CWE-319

Description

An issue was discovered in Couchbase Server 6.x through 6.6.1. The Couchbase Server UI is insecurely logging session cookies in the logs. This allows for the impersonation of a user if the log files are obtained by an attacker before a session cookie expires.

Affected products

• Couchbase Server: from 6.0.0 before 6.6.2 — fixed in 6.6.2

How to fix

Upgrade to a fixed version: Couchbase Server 6.6.2. 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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