What is CVE-2018-1999045?

CVE-2018-1999045 is a medium-severity vulnerability in Jenkins, classified under Improper Authentication. CVSS score: 5.4/10. Published 2018-08-23.

How severe is CVE-2018-1999045?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Auth bypass in Jenkins

CVE-2018-1999045

A improper authentication vulnerability exists in Jenkins 2.137 and earlier, 2.121.2 and earlier in SecurityRealm.java, TokenBasedRememberMeServices2.java that allows attackers with a valid cookie to remain logged in even if that feature is disabled.

Vulnerability class: Broken Authentication

EPSS: 0.009 (55.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

Jenkins
N/a — versions n/a

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2018-1999045?: CVE-2018-1999045 is a medium-severity vulnerability in Jenkins, classified under Improper Authentication. CVSS score: 5.4/10. Published 2018-08-23.
How severe is CVE-2018-1999045?: Medium severity. CVSS v3 base score is 5.4 out of 10.