CVE-2021-4047

7.5 highEPSS 0.9%

High (7.5) in redhat openshift. EPSS 0.9% chance of exploitation in the next 30 days.

The release of OpenShift 4.9.6 included four CVE fixes for the haproxy package, however the patch for CVE-2021-39242 was missing. This issue only affects Red Hat OpenShift 4.9.

Severity

CVSS 3.1

7.5 high

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

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 60% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2022-04-11
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

redhat:openshift

References

https://bugzilla.redhat.com/show_bug.cgi?id=2027881
https://bugzilla.redhat.com/show_bug.cgi?id=2027881

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