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

EPSS: 0.008 (51.5th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.