CVE-2021-3469

5.4 mediumEPSS 0.3%

Medium (5.4) in theforeman foreman. EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.4 medium

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

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 26% of CVEs (scores of 2026-10-31)
CWE: CWE-863
Published: 2021-06-03
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

theforeman:foreman

References

https://bugzilla.redhat.com/show_bug.cgi?id=1943630
https://bugzilla.redhat.com/show_bug.cgi?id=1943630

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