CVE-2021-3469

Name: CVE-2021-3469
Creator: NVD / NIST
Published: 2021-06-03T20:15:08.617+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.33%

Last modified Jun 17, 2026

CVE-2021-3469 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Foreman versions before 2.3.4 and before 2.4.0 is affected by an improper authorization handling flaw. An authenticated attacker can impersonate the foreman-proxy if product enable the Puppet Certificate authority (CA) to sign certificate requests that have subject alternative names (SANs). EPSS estimates a 0.33% chance of exploitation in the next 30 days.

Description

Foreman versions before 2.3.4 and before 2.4.0 is affected by an improper authorization handling flaw. An authenticated attacker can impersonate the foreman-proxy if product enable the Puppet Certificate authority (CA) to sign certificate requests that have subject alternative names (SANs). Foreman do not enable SANs by default and `allow-authorization-extensions` is set to `false` unless user change `/etc/puppetlabs/puppetserver/conf.d/ca.conf` configuration explicitly.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.33%

24.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Theforeman	Foreman	< 2.3.4

References

https://bugzilla.redhat.com/show_bug.cgi?id=1943630Issue Tracking, Mitigation, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1943630Issue Tracking, Mitigation, Third Party Advisory

Timeline

Published: Jun 3, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-3469?

How severe is CVE-2021-3469?

CVE-2021-3469 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.33% probability of exploitation in the next 30 days.

How do I fix CVE-2021-3469?

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-2021-3469?

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

Scan your code now

Source: NVD / NIST