What is CVE-2017-2598?

CVE-2017-2598 is a medium-severity vulnerability in Jenkins, classified under Missing Cryptographic Step. CVSS score: 4.3/10. Published 2018-05-23.

How severe is CVE-2017-2598?

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

Vulnerability in Jenkins

CVE-2017-2598

Jenkins before versions 2.44, 2.32.2 uses AES ECB block cipher mode without IV for encrypting secrets which makes Jenkins and the stored secrets vulnerable to unnecessary risks (SECURITY-304).

Published 2018-05-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.010 (62.8th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.010 · change: -0.000

Affected products

Jenkins
[Unknown] Jenkins — versions jenkins 2.32.2, jenkins 2.44

Weakness classification (CWE)

References

jenkins.io/security/advisory/2017-02-01/ (Vendor Advisory)
github.com/jenkinsci/jenkins/commit/e6aa166246d1734f4798a9e31f78842f4c85c28b (Patch)
bugzilla.redhat.com/show_bug.cgi (Issue Tracking)
www.securityfocus.com/bid/95948 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2017-2598?: CVE-2017-2598 is a medium-severity vulnerability in Jenkins, classified under Missing Cryptographic Step. CVSS score: 4.3/10. Published 2018-05-23.
How severe is CVE-2017-2598?: Medium severity. CVSS v3 base score is 4.3 out of 10.