What is CVE-2015-1809?

CVE-2015-1809 is a high-severity vulnerability in Cloudbees Jenkins, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.5/10. Published 2020-01-15.

How severe is CVE-2015-1809?

High severity. CVSS v3 base score is 7.5 out of 10.

XXE in Cloudbees Jenkins

CVE-2015-1809

XML external entity (XXE) vulnerability in CloudBees Jenkins before 1.600 and LTS before 1.596.1 allows remote attackers to read arbitrary XML files via an XPath query.

Vulnerability class: XXE (XML External Entity)

Published 2020-01-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.014 (71.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Cloudbees Jenkins — versions before 1.600
Cloudbees Jenkins Lts — versions before 1.596.1
Jenkins Cloudbees

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
jenkins.io/security/advisory/2015-02-27/ (Vendor Advisory)

Frequently asked questions

What is CVE-2015-1809?: CVE-2015-1809 is a high-severity vulnerability in Cloudbees Jenkins, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.5/10. Published 2020-01-15.
How severe is CVE-2015-1809?: High severity. CVSS v3 base score is 7.5 out of 10.