Arbitrary file write vulnerability in Jenkins Cobertura Plugin

published 2020-03-09 6 y ago modified 2026-06-17 4 mo ago also GHSA-m935-chfp-9f63 , EUVD-2022-4530

cvss: 6.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.6%; EPSS 1.6% chance of exploitation in 30 days, percentile 75%
public exploits: 0; none known

An arbitrary file write vulnerability in Jenkins Cobertura Plugin 1.15 and earlier allows attackers able to control the coverage report file contents to overwrite any file on the Jenkins master file system.

Patch / fix

fixed in 1 links 1

maven org.jenkins-ci.plugins:cobertura 1.16

github.com/jenkinsci/cobertura-plugin@ea41b3f commit

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-2139 updated 2025-11-21 cvss 6.5

jenkins-cobertura-plugin: arbitrary file write vulnerability

Red Hat OpenShift Container Platform 3.11 jenkins-2-plugins Red Hat OpenShift Container Platform 4 jenkins-2-plugins
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.59% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
NVD	2.0	8.5	AV:N/AC:L/Au:S/C:N/I:C/A:C
GitHub	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem	package	affected	fixed in
maven	org.jenkins-ci.plugins:cobertura	<1.16	1.16

Affected products

Jenkins project Jenkins Cobertura Plugin

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

github.com /jenkinsci/cobertura-plugin/commit/ea41b3f86a24ab398a588bde6a4eada869bed391
web
jenkins.io /security/advisory/2020-03-09/#SECURITY-1668
web, vendor-advisory
openwall.com /lists/oss-security/2020/03/09/1
mailing-list, web, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2020-2139
advisory
github.com /jenkinsci/cobertura-plugin
package

Sources

CVE List CVE-2020-2139
GitHub Advisory GHSA-m935-chfp-9f63
NVD CVE-2020-2139

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary