Red Hat Red Hat OpenShift Container Platform 4.21

Name: Red Hat Red Hat OpenShift Container Platform 4.21
Brand: Red Hat

productEU

A product tracked in the threat graph; the vulnerabilities below are known to affect it.

KEV-listed

EPSS ≥ 10%

unpatched

by severity

2critical1high0medium0low

updated 2026-10-28

vulnerabilities (7)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2026-4408US	critical9.8	2.50% (85th)	Exploit	4.21.9.6.202606241859-0	2026-05-28	< 4.21.9.6.202606241859-0
CVE-2026-42009US	—	1.33% (71st)	—	4.21.9.6.202607011303-0	2026-05-18	< 4.21.9.6.202607011303-0
CVE-2026-42010US	critical9.8	1.05% (64th)	—	4.21.9.6.202607011303-0	2026-05-07	< 4.21.9.6.202607011303-0
CVE-2026-16242US	—OT elevated	0.92% (60th)	—	1785301941	2026-07-20	< 1785301941
CVE-2026-49332US	—	0.53% (45th)	—	1785851359	2026-07-28	< 1785851359
CVE-2026-46579US	high7.5	0.45% (39th)	—	1781552170	2026-05-29	< 1781552170
CVE-2026-1784US	—	0.19% (9th)	—	1780444348	2026-06-02	< 1780444348

The flaw types (CWEs) most of these CVEs share.

CWE-15External Control of System or Configuration Setting1 CVEs
CWE-170Improper Null Termination1 CVEs
CWE-287Improper Authentication1 CVEs
CWE-306Missing Authentication for Critical Function1 CVEs
CWE-436Interpretation Conflict1 CVEs
CWE-475Undefined Behavior for Input to API1 CVEs
CWE-626Null Byte Interaction Error (Poison Null Byte)1 CVEs
CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')1 CVEs

Which sources assert this record, and when.

scry

Products carry known vulnerabilities once they are exposed to the internet. See what is exposed on your perimeter with a free passive scan.