CVE-2021-43963

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.)

Category

8.1
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.33%
Vendor Advisory couchbase.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.couchbase.com/alerts vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-43963?
CVE-2021-43963 has been scored as a high severity vulnerability.
How to fix CVE-2021-43963?
To fix CVE-2021-43963, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-43963 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-43963 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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