What is CVE-2023-40347?

CVE-2023-40347 is a medium-severity vulnerability in Jenkins Maven Artifact Choicelistprovider \(Nexus\), classified under Insufficiently Protected Credentials. CVSS score: 6.5/10. Published 2023-08-16.

How severe is CVE-2023-40347?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Jenkins Maven Artifact Choicelistprovider \(Nexus\)

CVE-2023-40347

Jenkins Maven Artifact ChoiceListProvider (Nexus) Plugin 1.14 and earlier does not set the appropriate context for credentials lookup, allowing attackers with Item/Configure permission to access and capture credentials they are not entitled to.

Published 2023-08-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (50.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.1% 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

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

References

www.jenkins.io/security/advisory/2023-08-16/ (vendor-advisory, Vendor Advisory)
www.openwall.com/lists/oss-security/2023/08/16/3 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2023-40347?: CVE-2023-40347 is a medium-severity vulnerability in Jenkins Maven Artifact Choicelistprovider \(Nexus\), classified under Insufficiently Protected Credentials. CVSS score: 6.5/10. Published 2023-08-16.
How severe is CVE-2023-40347?: Medium severity. CVSS v3 base score is 6.5 out of 10.