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CVE-2021-20290

22
FAUCET Score

CVE-2021-20290 is an improper authorization vulnerability in Foreman, specifically affecting the OpenSCAP plugin for its smart-proxy component. This flaw allows authenticated local attackers to bypass intended restrictions, enabling them to access and delete limited resources, and potentially cause a denial of service on the Foreman server. Rated as Medium severity (CVSS 6.1), it poses a significant threat to system integrity and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.9.1CPE matchmatch criteria
cpe:2.3:a:theforeman:openscap:*:*:*:*:*:foreman:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
4.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.22%
Probability of exploitation in next 30 days
EPSS Percentile
12.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0022 is in the 56th percentile among its peer group of 15,940 CVEs.

Social Chatter

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

Vendor Patches (2)

redhatworkaround availablevia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat Satellite 6Fixed in: smart_proxy_openscap

Vendor Advisories (1)

redhatCVE-2021-20290Moderate

smart_proxy_openscap: Clients can perform reserved actions on Foreman Server through OpenSCAP plugin for smart-proxy

Mar 30, 2021

References

bugzilla.redhat.com / show_bug.cgi
ExploitIssue TrackingMitigationThird Party Advisory