What is CVE-2023-49338?

CVE-2023-49338 is a high-severity vulnerability in Couchbase Server, classified under Incorrect Default Permissions. CVSS score: 7.5/10. Published 2024-02-28.

How severe is CVE-2023-49338?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Couchbase Server

CVE-2023-49338

Couchbase Server 7.1.x and 7.2.x before 7.2.4 does not require authentication for the /admin/stats and /admin/vitals endpoints on TCP port 8093 of localhost.

Published 2024-02-28 · last modified 2026-06-17.

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 (47.9th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.9% 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

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

References

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

Frequently asked questions

What is CVE-2023-49338?: CVE-2023-49338 is a high-severity vulnerability in Couchbase Server, classified under Incorrect Default Permissions. CVSS score: 7.5/10. Published 2024-02-28.
How severe is CVE-2023-49338?: High severity. CVSS v3 base score is 7.5 out of 10.