Vulnerability DatabaseCVE-2021-27017
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CVE-2021-27017
Published:February 07, 2025
Updated:September 21, 2026
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.
Related Resources (5)
https://bugzilla.redhat.com/show_bug.cgi?id=1927502
https://github.com/puppetlabs/puppet-agent/commit/52495a79a66329669896822799e9804a4afd69b5
https://puppet.com/security/cve/CVE-2021-27017/
https://security-tracker.debian.org/tracker/CVE-2021-27017
https://www.puppet.com/security/cve/cve-2021-27017-deserialization-untrusted-data
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CVSS v4
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.6
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Deserialization of Untrusted Data
CWE-502
EPSS
Base Score:
0.55