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TI-2021-14398 Aliases CVE-2021-35943GHSA-cm7f-fcwh-gc62

Couchbase Server 6.5.x and 6.6.x through 6.6.2 has Incorrect Access Control.

Priority MEDIUM 44CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.

Summary

Couchbase Server 6.5.x and 6.6.x through 6.6.2 has Incorrect Access Control. Externally managed users are not prevented from using an empty password, per RFC4513.

Why it matters now

EPSS 0.0107 65th 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:couchbase:couchbase_server:*:*:*:*:*:*:*:*6.5.0 – 6.5.2; 6.6.0 to before 6.6.3VulnerableCouchbase
  • cpe:2.3:a:couchbase:couchbase_server:*:*:*:*:*:*:*:* Versions 6.5.0 – 6.5.2; 6.6.0 to before 6.6.3 Vulnerable ·Couchbase

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-35943
  2. 2026-10-03 Alias added: GHSA-cm7f-fcwh-gc62

References

  • 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
See all 62 →

Sources