What is CVE-2021-4047?

CVE-2021-4047 is a high-severity vulnerability in Red Hat Openshift, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2022-04-11.

How severe is CVE-2021-4047?

High severity. CVSS v3 base score is 7.5 out of 10.

Improper input validation in Red Hat Openshift

CVE-2021-4047

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.009 (55.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Redhat Openshift — versions 4.9
N/a Openshift — versions OpenShift 4.9

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

secalert@redhat.com (x_refsource_MISC, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2021-4047?: CVE-2021-4047 is a high-severity vulnerability in Red Hat Openshift, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2022-04-11.
How severe is CVE-2021-4047?: High severity. CVSS v3 base score is 7.5 out of 10.