CVE-2021-27020

Name: CVE-2021-27020
Creator: NVD / NIST
Published: 2021-08-30T18:15:08.617+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.07%

Last modified Jun 17, 2026

CVE-2021-27020 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Puppet Enterprise presented a security risk by not sanitizing user input when doing a CSV export.. EPSS estimates a 1.07% chance of exploitation in the next 30 days.

Description

Puppet Enterprise presented a security risk by not sanitizing user input when doing a CSV export.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

1.07%

60.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1236

Affected Software

Vendor	Product	Versions
Puppet	Puppet Enterprise	< 2019.8.6

References

https://puppet.com/security/cve/CVE-2021-27020Vendor Advisory
https://puppet.com/security/cve/CVE-2021-27020Vendor Advisory

Timeline

Published: Aug 30, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-27020?

Puppet Enterprise presented a security risk by not sanitizing user input when doing a CSV export.

How severe is CVE-2021-27020?

CVE-2021-27020 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.07% probability of exploitation in the next 30 days.

How do I fix CVE-2021-27020?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-27020?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST