CVE-2020-2261: Jenkins Perfecto Plugin 1.17 and earlier executes a command on the Jenkins controller, allowing attackers with

Q: How do I fix CVE-2020-2261?

perfecto: upgrade to newer than 1.17. Exact commands for each OS are on this page.

Q: Is CVE-2020-2261 being exploited?

CVE-2020-2261 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-2261 affect?

CVE-2020-2261 affects perfecto. Severity is high (CVSS 8.8). Jenkins Perfecto Plugin 1.17 and earlier executes a command on the Jenkins controller, allowing attackers with Job/Configure permission to run arbitrary commands on the Jenkins controller

This month

HIGH 8.8UPGRADE

CVE-2020-2261 is a high-severity flaw (CVSS 8.8) affecting perfecto. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Jenkins Perfecto Plugin 1.17 and earlier executes a command on the Jenkins controller, allowing attackers with Job/Configure permission to run arbitrary commands on the Jenkins controller

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.4% (top 28%)
CISA exploited list	No
Weakness	CWE-78
Published	2020-09-16
Last modified	2026-06-17

Publisher (CNA): Jenkins Project · Vendor: jenkins

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-09-16 14:15 UTCPublished CVE record published
2026-06-17 03:12 UTCUpdated Record last modified

jenkins perfecto UPGRADE

Affected: <= 1.17

Fixed in: newer than 1.17

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy perfecto || rpm -q perfecto || perfecto --version

2. UPGRADE to newer than 1.17 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade perfecto

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade perfecto

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-2261?

perfecto: upgrade to newer than 1.17. Exact commands for each OS are on this page.

Is CVE-2020-2261 being exploited?

CVE-2020-2261 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-2261 affect?

CVE-2020-2261 affects perfecto. Severity is high (CVSS 8.8). Jenkins Perfecto Plugin 1.17 and earlier executes a command on the Jenkins controller, allowing attackers with Job/Configure permission to run arbitrary commands on the Jenkins controller

How urgent is CVE-2020-2261?

Priority 49/100. High severity

Software pages

Jenkins vulnerabilities

Related CVEs

CVE-2020-2260 MEDIUM 4.3 UPGRADE A missing permission check in Jenkins Perfecto Plugin 1.17 and earlier allows attackers with Overall/Read perm
CVE-2015-4371 MEDIUM 5.8 MITIGATE Open redirect vulnerability in the Perfecto module before 7.x-1.2 for Drupal allows remote attackers to redire

References

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