CVE-2021-3494

A smart proxy that provides a restful API to various sub-systems of the Foreman is affected by...

5.9 Medium

A smart proxy that provides a restful API to various sub-systems of the Foreman is affected by the flaw which can cause a Man-in-the-Middle attack. The FreeIPA module of Foreman smart proxy does not check the SSL certificate, thus, an unauthenticated attacker can perform actions in FreeIPA if certain conditions are met. The highest threat from this flaw is to system confidentiality. This flaw affects Foreman versions before 2.5.0.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

0.37%Unchanged since Apr 27, 2021

What each source reports

NVD Score used 5.9

Record: CVE-2021-3494
CVSS 3.1: 5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:P/I:N/A:N
Weakness: CWE-319
Updated: 2026-11-02

CVE List No score

Record: CVE-2021-3494
Weakness: CWE-319
Updated: 2026-11-02

EUVDEUVD-2021-26816 No score

Record: EUVD-2021-26816
Updated: 2026-11-03

GitHub AdvisoriesGHSA-3wj7-9qg6-8h3x No score

A smart proxy that provides a restful API to various sub-systems of the Foreman is affected by...

Record: GHSA-3wj7-9qg6-8h3x
Weakness: CWE-319
Updated: 2026-11-02

OSV 5.9

Record: CVE-2021-3494
CVSS 3.1: 5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-02

OSVRHSA-2021:4702 9.8

Red Hat Security Advisory: Satellite 6.10 Release

Record: RHSA-2021:4702
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`python-ecdsa` Red Hat:satellite_capsule:6.10::el7 From an advisory covering 21 CVEs	before 0:0.13.3-2.el7pc	0:0.13.3-2.el7pc
`python3-ecdsa` Red Hat:satellite_capsule:6.10::el7 From an advisory covering 21 CVEs	before 0:0.13.3-2.el7pc	0:0.13.3-2.el7pc
`python-ecdsa` Red Hat:satellite:6.10::el7 From an advisory covering 21 CVEs	before 0:0.13.3-2.el7pc	0:0.13.3-2.el7pc
`python3-ecdsa` Red Hat:satellite:6.10::el7 From an advisory covering 21 CVEs	before 0:0.13.3-2.el7pc	0:0.13.3-2.el7pc
`tfm-rubygem-activerecord-session_store` Red Hat:satellite:6.10::el7 From an advisory covering 21 CVEs	before 0:2.0.0-1.el7sat	0:2.0.0-1.el7sat
`satellite` Red Hat:satellite_capsule:6.10::el7 From an advisory covering 21 CVEs	before 0:6.10.0-3.el7sat	0:6.10.0-3.el7sat
`satellite` Red Hat:satellite:6.10::el7 From an advisory covering 21 CVEs	before 0:6.10.0-3.el7sat	0:6.10.0-3.el7sat
`candlepin` Red Hat:satellite:6.10::el7 From an advisory covering 21 CVEs	before 0:4.0.9-1.el7sat	0:4.0.9-1.el7sat
`python-pyyaml` Red Hat:satellite_capsule:6.10::el7 From an advisory covering 21 CVEs	before 0:5.4.1-1.el7pc	0:5.4.1-1.el7pc
`python3-pyyaml` Red Hat:satellite_capsule:6.10::el7 From an advisory covering 21 CVEs	before 0:5.4.1-1.el7pc	0:5.4.1-1.el7pc

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Affected packages
Package	Affected	Fixed
`python-pyyaml` Red Hat:satellite:6.10::el7 From an advisory covering 21 CVEs	before 0:5.4.1-1.el7pc	0:5.4.1-1.el7pc
`python3-pyyaml` Red Hat:satellite:6.10::el7 From an advisory covering 21 CVEs	before 0:5.4.1-1.el7pc	0:5.4.1-1.el7pc
`tfm-rubygem-nokogiri` Red Hat:satellite_capsule:6.10::el7 From an advisory covering 21 CVEs	before 0:1.11.3-2.el7sat	0:1.11.3-2.el7sat
`tfm-rubygem-nokogiri` Red Hat:satellite:6.10::el7 From an advisory covering 21 CVEs	before 0:1.11.3-2.el7sat	0:1.11.3-2.el7sat
`satellite-capsule` Red Hat:satellite_capsule:6.10::el7 From an advisory covering 21 CVEs	before 0:6.10.0-3.el7sat	0:6.10.0-3.el7sat
`foreman` Red Hat:satellite_capsule:6.10::el7 From an advisory covering 21 CVEs	before 0:2.5.2.17-2.el7sat	0:2.5.2.17-2.el7sat
`foreman` Red Hat:satellite:6.10::el7 From an advisory covering 21 CVEs	before 0:2.5.2.17-2.el7sat	0:2.5.2.17-2.el7sat
`python-aiohttp` Red Hat:satellite_capsule:6.10::el7 From an advisory covering 21 CVEs	before 0:3.7.4-1.el7pc	0:3.7.4-1.el7pc
`python-aiohttp` Red Hat:satellite:6.10::el7 From an advisory covering 21 CVEs	before 0:3.7.4-1.el7pc	0:3.7.4-1.el7pc
`tfm-rubygem-actionpack` Red Hat:satellite:6.10::el7 From an advisory covering 21 CVEs	before 0:6.0.3.7-1.el7sat	0:6.0.3.7-1.el7sat
`tfm-rubygem-rails` Red Hat:satellite:6.10::el7 From an advisory covering 21 CVEs	before 0:6.0.3.7-1.el7sat	0:6.0.3.7-1.el7sat
`python3-django` Red Hat:satellite_capsule:6.10::el7 From an advisory covering 21 CVEs	before 0:2.2.24-1.el7pc	0:2.2.24-1.el7pc
`python3-django` Red Hat:satellite:6.10::el7 From an advisory covering 21 CVEs	before 0:2.2.24-1.el7pc	0:2.2.24-1.el7pc
`tfm-rubygem-puma` Red Hat:satellite:6.10::el7 From an advisory covering 21 CVEs	before 0:5.3.2-1.el7sat	0:5.3.2-1.el7sat
`tfm-rubygem-addressable` Red Hat:satellite:6.10::el7 From an advisory covering 21 CVEs	before 0:2.8.0-1.el7sat	0:2.8.0-1.el7sat
`python-urllib3` Red Hat:satellite_capsule:6.10::el7 From an advisory covering 21 CVEs	before 0:1.26.5-1.el7pc	0:1.26.5-1.el7pc
`python3-urllib3` Red Hat:satellite_capsule:6.10::el7 From an advisory covering 21 CVEs	before 0:1.26.5-1.el7pc	0:1.26.5-1.el7pc
`python-urllib3` Red Hat:satellite:6.10::el7 From an advisory covering 21 CVEs	before 0:1.26.5-1.el7pc	0:1.26.5-1.el7pc
`python3-urllib3` Red Hat:satellite:6.10::el7 From an advisory covering 21 CVEs	before 0:1.26.5-1.el7pc	0:1.26.5-1.el7pc

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases, products	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-3494 is a medium vulnerability (CVSS 5.9) in The Foreman Foreman, published April 26, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.37%, the 30th percentile. No source names a fixed version.

References

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