How severe is CVE-2021-3469?

CVE-2021-3469 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2021-3469 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-3469?

CVE-2021-3469 affects Theforeman Foreman. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-3469?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-3469 published?

CVE-2021-3469 was published on 2021-06-03 and last updated on 2026-06-17.

CVE-2021-3469

CVE-2021-3469 is a medium-severity vulnerability in Theforeman Foreman with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Theforeman Foreman
Published: 2021-06-03
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-3469?: 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.
How severe is CVE-2021-3469?: CVE-2021-3469 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2021-3469 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-3469?: CVE-2021-3469 affects Theforeman Foreman. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-3469?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-3469 published?: CVE-2021-3469 was published on 2021-06-03 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:theforeman:foreman:*:*:*:*:*:*:*:*

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