CVE-2021-27026
Puppet vulnerability analysis and mitigation

Overview

A security vulnerability (CVE-2021-27026) was discovered in Puppet Enterprise and other Puppet products where sensitive plan parameters may be logged. The vulnerability was identified in Puppet Enterprise versions up to 2019.8.9 and 2021.0.0 through 2021.4.0, as well as Puppet Connect versions up to 0.4.0 (NVD Database).

Technical details

The vulnerability is classified with a CVSS v3.1 Base Score of 4.4 (MEDIUM) with the vector string CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N. The vulnerability is categorized under CWE-532 (Insertion of Sensitive Information into Log File). The issue requires high privileges for exploitation but can lead to exposure of sensitive information through log files (NVD Database).

Impact

The vulnerability could result in the exposure of sensitive plan parameters through log files. While the vulnerability does not allow for system manipulation or availability impacts (as indicated by the I:N/A:N in the CVSS score), it does present a high confidentiality impact for sensitive information that may be logged (NVD Database).

Exploitability

The vulnerability requires local access (AV:L) and high privileges (PR:H) for exploitation. No user interaction is needed (UI:N), and the attack complexity is low (AC:L). The scope is unchanged (S:U), meaning the vulnerability can only impact resources managed by the same authority (NVD Database).

Mitigation and workarounds

The vulnerability affects Puppet Enterprise versions up to 2019.8.9 and from 2021.0.0 up to 2021.4.0, as well as Puppet Connect versions up to 0.4.0. Users should upgrade to patched versions of the affected products to mitigate this vulnerability (NVD Database).

Additional resources


SourceThis report was generated using AI

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