CVE-2017-7550

Name: CVE-2017-7550
Creator: NVD / NIST
Published: 2017-11-21T17:29:00.21+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 3.53%

Last modified Jun 17, 2026

CVE-2017-7550 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A flaw was found in the way Ansible (2.3.x before 2.3.3, and 2.4.x before 2.4.1) passed certain parameters to the jenkins_plugin module. Remote attackers could use this flaw to expose sensitive information from a remote host's logs. EPSS estimates a 3.53% chance of exploitation in the next 30 days.

Description

A flaw was found in the way Ansible (2.3.x before 2.3.3, and 2.4.x before 2.4.1) passed certain parameters to the jenkins_plugin module. Remote attackers could use this flaw to expose sensitive information from a remote host's logs. This flaw was fixed by not allowing passwords to be specified in the "params" argument, and noting this in the module documentation.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

3.53%

87.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Redhat	Ansible	>= 2.3.0, < 2.3.3
Redhat	Ansible	>= 2.4.0, < 2.4.1
Redhat	Enterprise Linux Server	7.0

References

https://access.redhat.com/errata/RHSA-2017:2966Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1473645Issue Tracking, Third Party Advisory
https://github.com/ansible/ansible/issues/30874Issue Tracking, Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2966Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1473645Issue Tracking, Third Party Advisory
https://github.com/ansible/ansible/issues/30874Issue Tracking, Third Party Advisory

Timeline

Published: Nov 21, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-7550?

How severe is CVE-2017-7550?

CVE-2017-7550 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.53% probability of exploitation in the next 30 days.

How do I fix CVE-2017-7550?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-7550?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST