CVE-2021-42763

HIGH

Couchbase Server < 6.6.3 and 7.x < 7.0.2 - Cleartext Storage of Sensitive Information in HTTP Basic Auth Header

Title source: llm
STIX 2.1

Description

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.

References (2)

Core 2
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://docs.couchbase.com/server/current/release-notes/relnotes.html
Vendor Advisory x_refsource_misc
https://www.couchbase.com/alerts

Scores

CVSS v3 7.5
EPSS 0.0059
EPSS Percentile 43.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-312
Status published
Products (3)
couchbase/couchbase_server 7.0.0
couchbase/couchbase_server 7.0.1
couchbase/couchbase_server < 4.6.0
Published Nov 02, 2021
Tracked Since Feb 18, 2026