What is CVE-2021-27021?

CVE-2021-27021 is a high-severity vulnerability in Puppet, classified under CWE-1027. CVSS score: 8.8/10. Published 2021-07-20.

How severe is CVE-2021-27021?

High severity. CVSS v3 base score is 8.8 out of 10.

SQL Injection in Puppet

CVE-2021-27021

A flaw was discovered in Puppet DB, this flaw results in an escalation of privileges which allows the user to delete tables via an SQL query.

Published 2021-07-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (69.2th percentile), scored 2026-10-20.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Puppet
Puppet Puppetdb
Puppet Enterprise
Puppet Db — versions All prior versions before Puppet DB 6.17.0, 7.4.1, Puppet Platform 6.23, 7.8.0 and PE 2021.2, 2019.8.7

Weakness classification (CWE)

References

puppet.com/security/cve/cve-2021-27021/ (Vendor Advisory)

Frequently asked questions

What is CVE-2021-27021?: CVE-2021-27021 is a high-severity vulnerability in Puppet, classified under CWE-1027. CVSS score: 8.8/10. Published 2021-07-20.
How severe is CVE-2021-27021?: High severity. CVSS v3 base score is 8.8 out of 10.