CVE-2021-4142

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-08-24 · updated 2026-06-17
Weakness: CWE-639

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.

Affected products

candlepin: from 3.1.0 through 3.1.28-2; from 3.2.0 through 3.2.21-1; from 4.1.0 through 4.1.8-1

References

https://access.redhat.com/security/cve/CVE-2021-4142
https://bugzilla.redhat.com/show_bug.cgi?id=2034346
https://github.com/candlepin/candlepin/pull/3197
https://github.com/candlepin/candlepin/pull/3198
https://github.com/candlepin/candlepin/pull/3199
https://access.redhat.com/security/cve/CVE-2021-4142
https://bugzilla.redhat.com/show_bug.cgi?id=2034346
https://github.com/candlepin/candlepin/pull/3197
https://github.com/candlepin/candlepin/pull/3198
https://github.com/candlepin/candlepin/pull/3199

Get alerted when CVE-2021-4142 or the next vulnerability affects your stack