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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (47.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Couchbase Server — versions 7.0.0, 7.0.1
Weakness classification (CWE)
References
- docs.couchbase.com/server/current/release-notes/relnotes.html (Release Notes, Vendor Advisory)
- www.couchbase.com/alerts (Vendor Advisory)
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.