CVE-2021-27017

Deserialization of untrusted data

Description

Utilization of a module presented a security risk by allowing the deserialization of untrusted/user supplied data. This is resolved in the Puppet Agent 7.4.0 release.

Category

6.6
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.18%
Affected: PuppetPu Puppet Agent
Published at:
Updated at:

References

Link Tags
https://www.puppet.com/security/cve/cve-2021-27017-deserialization-untrusted-data

Frequently Asked Questions

What is the severity of CVE-2021-27017?
CVE-2021-27017 has been scored as a medium severity vulnerability.
How to fix CVE-2021-27017?
To fix CVE-2021-27017, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-27017 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-27017 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-27017?
CVE-2021-27017 affects PuppetPu Puppet Agent.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.