CVE-2021-43963: Infoleak
First published: Tue Dec 07 2021(Updated: )
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.)
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Couchbase Sync Gateway | >=2.7.0<2.8.3 | |
| >=2.7.0<2.8.3 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-43963?
The severity of CVE-2021-43963 is high.
What is the affected software for CVE-2021-43963?
The affected software for CVE-2021-43963 is Couchbase Sync Gateway versions 2.7.0 through 2.8.2.
How can an attacker exploit CVE-2021-43963?
An attacker can exploit CVE-2021-43963 by using insecurely stored bucket credentials to read and write data in Couchbase Server.
What is the Common Weakness Enumeration (CWE) ID for CVE-2021-43963?
The Common Weakness Enumeration (CWE) ID for CVE-2021-43963 is CWE-200.
How can I fix CVE-2021-43963?
To fix CVE-2021-43963, upgrade to Couchbase Sync Gateway version 2.8.3.
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- agent/type
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- version/couchbase sync gateway/2.7.0