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Vulnerability DatabaseCVE-2021-27017

CVE-2021-27017: 
Puppet Agent vulnerability analysis and mitigation

Overview

A security vulnerability identified as CVE-2021-27017 was discovered in Puppet Agent versions 7.x prior to 7.4.0. The vulnerability involves the deserialization of untrusted/user supplied data through a module, which presented a security risk. The issue was disclosed and addressed in February 2021 (Puppet CVE).

Technical details

The vulnerability has been assigned a CVSS 3.1 Base Score of 6.6 (Medium) with the following vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H. The technical classification of this vulnerability falls under CWE-502 (Deserialization of Untrusted Data) (NVD).

Impact

The vulnerability could potentially lead to security risks associated with the deserialization of untrusted or user-supplied data, which could affect the confidentiality, integrity, and availability of the system as indicated by the CVSS scoring (Puppet CVE).

Mitigation and workarounds

The vulnerability has been resolved in Puppet Agent version 7.4.0. Users are advised to upgrade to this version or later to address the security risk (Puppet CVE).

Additional resources

Source: This report was generated using AI

Related Puppet Agent vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2021-27023CRITICAL9.8
  • RubyRuby
  • cpe:2.3:a:puppet:puppet_agent
NoYesNov 18, 2021
CVE-2021-27017MEDIUM6.6
  • Puppet AgentPuppet Agent
  • cpe:2.3:a:puppet:puppet_agent
NoYesFeb 07, 2025
CVE-2021-27025MEDIUM6.5
  • RubyRuby
  • puppet
NoYesNov 18, 2021
CVE-2020-7942MEDIUM6.5
  • RubyRuby
  • cpe:2.3:a:puppet:puppet_agent
NoYesFeb 19, 2020
CVE-2015-1855MEDIUM5.9
  • RubyRuby
  • ruby2.1-devel
NoYesNov 29, 2019

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