An issue was discovered in Couchbase Server 5.x and 6.x before 6.5.2 and 6.6.x before…
Priority LOW 23CWE-319Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-319.
Summary
An issue was discovered in Couchbase Server 5.x and 6.x before 6.5.2 and 6.6.x before 6.6.2. Internal users with administrator privileges, @cbq-engine-cbauth and @index-cbauth, leak credentials in cleartext in the indexer.log file when they make a /listCreateTokens, /listRebalanceTokens, or /listMetadataTokens call.
Why it matters now
EPSS 0.00504 43rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-25643
- 2026-10-03 Alias added: GHSA-5r6p-6vxg-qvcc
References
More Couchbase Server vulnerabilities
- TI-2024-00478 Out-of-bounds read in Google Chrome KEVCVSS 3.1HIGH 8.8
- TI-2023-02885 Type confusion in Google Chrome KEVCVSS 3.1HIGH 8.8
- TI-2023-01910 Type confusion in Google Chrome KEVCVSS 3.1HIGH 8.8
- TI-2023-27712 Python-cryptography: bleichenbacher timing oracle attack against rsa decryption - incomplete fix for cve-2020-25659 CVSS 3.1HIGH 7.5
- TI-2020-15177 Exposed Erlang Cookie could lead to Remote Command Execution (RCE) attack. CVSS 3.1CRITICAL 9.8
- TI-2023-27298 An issue was discovered in Couchbase Server before 7.2.4. CVSS 3.1CRITICAL 9.8
Sources
- CVE-2021-25643 · CVE Program
- CVE-2021-25643 · NVD
- FIRST EPSS
- GHSA-5r6p-6vxg-qvcc · GitHub Advisory Database · CC BY 4.0
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