What is CVE-2023-50436?

CVE-2023-50436 is a medium-severity vulnerability in Couchbase Server, classified under Insufficiently Protected Credentials. CVSS score: 5.3/10. Published 2024-02-29.

How severe is CVE-2023-50436?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Couchbase Server

CVE-2023-50436

An issue was discovered in Couchbase Server before 7.2.4. ns_server admin credentials are leaked in encoded form in the diag.log file. The earliest affected version is 7.1.5.

Published 2024-02-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.002 (13.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Couchbase Server

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

References

forums.couchbase.com/tags/security (Issue Tracking)
docs.couchbase.com/server/current/release-notes/relnotes.html (Release Notes)
www.couchbase.com/alerts/ (Vendor Advisory)

Frequently asked questions

What is CVE-2023-50436?: CVE-2023-50436 is a medium-severity vulnerability in Couchbase Server, classified under Insufficiently Protected Credentials. CVSS score: 5.3/10. Published 2024-02-29.
How severe is CVE-2023-50436?: Medium severity. CVSS v3 base score is 5.3 out of 10.