What is CVE-2023-45875?

CVE-2023-45875 is a high-severity vulnerability in Couchbase Server, classified under Information Disclosure. CVSS score: 7.5/10. Published 2023-11-08.

How severe is CVE-2023-45875?

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

Information disclosure in Couchbase Server

CVE-2023-45875

An issue was discovered in Couchbase Server 7.2.0. There is a private key leak in debug.log while adding a pre-7.0 node to a 7.2 cluster.

Vulnerability class: Information Disclosure

Published 2023-11-08 · 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: 0.007 (52.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Couchbase Server — versions 7.2.0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

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

Frequently asked questions

What is CVE-2023-45875?: CVE-2023-45875 is a high-severity vulnerability in Couchbase Server, classified under Information Disclosure. CVSS score: 7.5/10. Published 2023-11-08.
How severe is CVE-2023-45875?: High severity. CVSS v3 base score is 7.5 out of 10.