CVE-2021-4142

Name: CVE-2021-4142
Creator: NVD / NIST
Published: 2022-08-24T16:15:09.547+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.17%

Last modified Jun 17, 2026

CVE-2021-4142 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. The Candlepin component of Red Hat Satellite was affected by an improper authentication flaw. Few factors could allow an attacker to use the SCA (simple content access) certificate for authentication with Candlepin.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

Description

The Candlepin component of Red Hat Satellite was affected by an improper authentication flaw. Few factors could allow an attacker to use the SCA (simple content access) certificate for authentication with Candlepin.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.17%

6.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Candlepinproject	Candlepin	>= 3.1.0, <= 3.1.28-2
Candlepinproject	Candlepin	>= 3.2.0, <= 3.2.21-1
Candlepinproject	Candlepin	>= 4.1.0, <= 4.1.8-1

References

https://access.redhat.com/security/cve/CVE-2021-4142Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2034346Issue Tracking, Vendor Advisory
https://github.com/candlepin/candlepin/pull/3197Patch, Third Party Advisory
https://github.com/candlepin/candlepin/pull/3198Third Party Advisory
https://github.com/candlepin/candlepin/pull/3199Patch, Third Party Advisory
https://access.redhat.com/security/cve/CVE-2021-4142Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2034346Issue Tracking, Vendor Advisory
https://github.com/candlepin/candlepin/pull/3197Patch, Third Party Advisory
https://github.com/candlepin/candlepin/pull/3198Third Party Advisory
https://github.com/candlepin/candlepin/pull/3199Patch, Third Party Advisory

Timeline

Published: Aug 24, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-4142?

How severe is CVE-2021-4142?

CVE-2021-4142 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.

How do I fix CVE-2021-4142?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-4142?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST