What is CVE-2021-27017?

CVE-2021-27017 is a medium-severity vulnerability in Puppetpu Puppet Agent, classified under Deserialization of Untrusted Data. CVSS score: 6.6/10. Published 2025-02-07.

How severe is CVE-2021-27017?

Medium severity. CVSS v3 base score is 6.6 out of 10.

Deserialization in Puppetpu Puppet Agent

CVE-2021-27017

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.

Vulnerability class: Insecure Deserialization

EPSS: 0.005 (42.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Puppetpu Puppet Agent — versions 0.0.0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

security@puppet.com

Frequently asked questions

What is CVE-2021-27017?: CVE-2021-27017 is a medium-severity vulnerability in Puppetpu Puppet Agent, classified under Deserialization of Untrusted Data. CVSS score: 6.6/10. Published 2025-02-07.
How severe is CVE-2021-27017?: Medium severity. CVSS v3 base score is 6.6 out of 10.