What is CVE-2023-50770?

CVE-2023-50770 is a medium-severity vulnerability in Jenkins Openid, classified under Insufficiently Protected Credentials. CVSS score: 6.7/10. Published 2023-12-13.

How severe is CVE-2023-50770?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Vulnerability in Jenkins Openid

CVE-2023-50770

Jenkins OpenId Connect Authentication Plugin 2.6 and earlier stores a password of a local user account used as an anti-lockout feature in a recoverable format, allowing attackers with access to the Jenkins controller file system to recover the plain text password of that account, likely gaining administrator access to Jenkins.

Published 2023-12-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (19.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Jenkins Openid
Jenkins Project Openid Connect Authentication Plugin — versions 0

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

References

www.jenkins.io/security/advisory/2023-12-13/ (vendor-advisory, Vendor Advisory)
www.openwall.com/lists/oss-security/2023/12/13/4 (Mailing List)

Frequently asked questions

What is CVE-2023-50770?: CVE-2023-50770 is a medium-severity vulnerability in Jenkins Openid, classified under Insufficiently Protected Credentials. CVSS score: 6.7/10. Published 2023-12-13.
How severe is CVE-2023-50770?: Medium severity. CVSS v3 base score is 6.7 out of 10.