What’s Vulnerable › Vulnerabilities

CVE-2021-27020

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-08-30 · updated 2026-06-17
• Weakness: CWE-1236

Description

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

Affected products

• Puppet Enterprise: before 2019.8.6 — fixed in 2019.8.6

How to fix

Upgrade to a fixed version: Puppet Enterprise 2019.8.6. Check the vendor advisory for mitigations.

References

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

Get alerted when CVE-2021-27020 or the next vulnerability affects your stack