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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…
- 5.5MediumCVSS base score
- 0.18%Exploitation in 30 daysEPSS · top 93% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By redhat
- 8 months later
· 8 months later
Published
- 24 months later
· 24 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.18% · top 93% of all CVEs (11 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
candlepin
- affected Affects v3.1.28-2, v3.2.21-1, v4.1.8-1 and earlier are affected.
References
References5
- https://bugzilla.redhat.com/show_bug.cgi?id=2034346 (opens in a new tab)x_refsource_MISCx_transferred
- https://access.redhat.com/security/cve/CVE-2021-4142 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/candlepin/candlepin/pull/3199 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/candlepin/candlepin/pull/3197 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/candlepin/candlepin/pull/3198 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2021-34011 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2021-4142)Record last updated .