CVE-2021-3469
Foreman versions before 2.3.4 and before 2.4.0 is affected by an improper authorization handling...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-3469- 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 - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-3469- Weakness
- CWE-863
- Updated
- 2026-11-02
EUVDEUVD-2021-26791 No score
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.
- Record
EUVD-2021-26791- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gfhf-42qr-7pgh No score
Foreman versions before 2.3.4 and before 2.4.0 is affected by an improper authorization handling...
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.
- Record
GHSA-gfhf-42qr-7pgh- Weakness
- CWE-863
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2021-3469- 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 - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-3469 is a medium vulnerability (CVSS 5.4) in The Foreman Foreman, published June 3, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.33%, the 26th percentile. No source names a fixed version.