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CVE-2021-27017

Date: February 7, 2025

A flaw was found in puppet-agent before 7.4.0. Utilization of a module presented a security risk by allowing the deserialization of untrusted/user supplied data. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Language: Ruby

Severity Score

Related Resources (7)

https://security-tracker.debian.org/tracker/CVE-2021-27017
https://www.puppet.com/security/cve/cve-2021-27017-deserialization-untrusted-data
https://nvd.nist.gov/vuln/detail/CVE-2021-27017
https://github.com/puppetlabs/puppet-agent/commit/52495a79a66329669896822799e9804a4afd69b5
https://bugzilla.redhat.com/show_bug.cgi?id=1927502
https://puppet.com/security/cve/CVE-2021-27017/
https://www.mend.io/vulnerability-database/CVE-2021-27017

Severity Score

Weakness Type (CWE)

Deserialization of Untrusted Data

CWE-502

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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