Auth bypass in Candlepinproject Candlepin
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.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.002 (6.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 6.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Candlepinproject Candlepin
- Candlepin — versions Affects v3.1.28-2, v3.2.21-1, v4.1.8-1 and earlier are affected.
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking, Vendor Advisory)
- access.redhat.com/security/cve/CVE-2021-4142 (Vendor Advisory)
- github.com/candlepin/candlepin/pull/3199 (Patch, Third Party Advisory)
- github.com/candlepin/candlepin/pull/3197 (Patch, Third Party Advisory)
- github.com/candlepin/candlepin/pull/3198 (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-4142?
- CVE-2021-4142 is a medium-severity vulnerability in Candlepinproject Candlepin, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.5/10. Published 2022-08-24.
- How severe is CVE-2021-4142?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2021-4142 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.