What is CVE-2018-1999003?

CVE-2018-1999003 is a medium-severity vulnerability in Jenkins, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2018-07-23.

How severe is CVE-2018-1999003?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Is CVE-2018-1999003 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Jenkins

CVE-2018-1999003

A Improper authorization vulnerability exists in Jenkins 2.132 and earlier, 2.121.1 and earlier in Queue.java that allows attackers with Overall/Read permission to cancel queued builds.

Vulnerability class: Broken Access Control

Published 2018-07-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (53.6th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Jenkins
Oracle Communications Cloud Native Core Automated Test Suite — versions 1.9.0

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

www.oracle.com/security-alerts/cpuapr2022.html (Patch, Third Party Advisory)
jenkins.io/security/advisory/2018-07-18/ (Vendor Advisory)

Frequently asked questions

What is CVE-2018-1999003?: CVE-2018-1999003 is a medium-severity vulnerability in Jenkins, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2018-07-23.
How severe is CVE-2018-1999003?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2018-1999003 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.