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CVE-2021-3584

25
FAUCET Score

CVE-2021-3584 is a server-side remote code execution vulnerability in Foreman and Red Hat Satellite products, allowing an authenticated attacker to achieve command injection by manipulating Sendmail configuration options. This high-severity vulnerability (CVSS 7.2) poses a significant threat to the confidentiality, integrity, and availability of affected systems due to its network-based attack vector and low attack complexity. Despite its severity, there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.4.1CPE matchmatch criteria
cpe:2.3:a:theforeman:foreman:*:*:*:*:*:*:*:*
>= 2.5.0, < 2.5.1CPE matchmatch criteria
cpe:2.3:a:theforeman:foreman:*:*:*:*:*:*:*:*
3.0.0CPE matchmatch criteria
cpe:2.3:a:theforeman:foreman:3.0.0:rc1:*:*:*:*:*:*
3.0.0CPE matchmatch criteria
cpe:2.3:a:theforeman:foreman:3.0.0:rc2:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:satellite:6.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.2HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.89%
Probability of exploitation in next 30 days
EPSS Percentile
89.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0389 is in the 87th percentile among its peer group of 5,537 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Satellite 6.11 for RHEL 7Fixed in: foreman-0:3.1.1.21-2.el7sat
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Satellite 6.11 for RHEL 8Fixed in: foreman-0:3.1.1.21-2.el8sat
View patch

Vendor Advisories (1)

redhatCVE-2021-3584Moderate

foreman: Authenticate remote code execution through Sendmail configuration

Jun 16, 2021

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
github.com / theforeman/foreman/pull/8599
Issue TrackingPatchThird Party Advisory
projects.theforeman.org / issues/32753
Issue TrackingPatchVendor Advisory