Vulnerability in Couchbase Server

CVE-2021-42763

Couchbase Server before 6.6.3 and 7.x before 7.0.2 stores Sensitive Information in Cleartext. The issue occurs when the cluster manager forwards a HTTP request from the pluggable UI (query workbench etc) to the specific service. In the backtrace, the Basic Auth Header included in the HTTP request, has the "@" user credentials of the node processing the UI request.

EPSS: 0.006 (44.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-42763?
CVE-2021-42763 is a high-severity vulnerability in Couchbase Server, classified under Cleartext Storage of Sensitive Information. CVSS score: 7.5/10. Published 2021-11-02.
How severe is CVE-2021-42763?
High severity. CVSS v3 base score is 7.5 out of 10.