How severe is CVE-2021-4142?

CVE-2021-4142 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-4142 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-4142?

CVE-2021-4142 affects Candlepinproject Candlepin. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-4142?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-4142 published?

CVE-2021-4142 was published on 2022-08-24 and last updated on 2026-06-17.

CVE-2021-4142

CVE-2021-4142 is a medium-severity vulnerability in Candlepinproject Candlepin with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-639.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-639
Affected product: Candlepinproject Candlepin
Published: 2022-08-24
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-4142?: 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.
How severe is CVE-2021-4142?: CVE-2021-4142 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-4142 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-4142?: CVE-2021-4142 affects Candlepinproject Candlepin. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-4142?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-4142 published?: CVE-2021-4142 was published on 2022-08-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:candlepinproject:candlepin:*:*:*:*:*:*:*:*

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