CVE-2021-43963 - CVE House
Back to Database
Status published High CVE-2021-43963

An issue was discovered in Couchbase Sync Gateway 2.7.0 through...

Vulnerability Description

An issue was discovered in Couchbase Sync Gateway 2.7.0 through 2.8.2. The bucket credentials used to read and write data in Couchbase Server were insecurely being stored in the metadata within sync documents written to the bucket. Users with read access could use these credentials to obtain write access. (This issue does not affect clusters where Sync Gateway is authenticated with X.509 client certificates. This issue also does not affect clusters where shared bucket access is not enabled on Sync Gateway.)

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-43963

Credits & Attribution

No credits recorded in the NVD database.

References

More from couchbase

View All →
CVE-2022-42951
An issue was discovered in Couchbase Server 6.5.x and 6.6.x...
Unknown 0
CVE-2022-42950
An issue was discovered in Couchbase Server 7.x before 7.0.5...
Unknown 0
CVE-2022-34826
In Couchbase Server 7.1.x before 7.1.1, an encrypted Private Key...
Medium 5.9
CVE-2022-33911
An issue was discovered in Couchbase Server 7.x before 7.0.4....
Medium 5.3
CVE-2022-33173
An algorithm-downgrade issue was discovered in Couchbase Server before 7.0.4....
High 7.5

Affected Vendor

Affected Software

sync gateway
Vulnerable Versions:
2.7.0

Timeline

Official Publish: December 7th, 2021
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.