How severe is CVE-2023-6476?

CVE-2023-6476 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-6476 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-6476?

CVE-2023-6476 primarily affects Redhat Openshift Container Platform. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-6476?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-6476 have an EU (EUVD) identifier?

Yes. CVE-2023-6476 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0390.

When was CVE-2023-6476 published?

CVE-2023-6476 was published on 2024-01-09 and last updated on 2026-06-17.

CVE-2023-6476

CVE-2023-6476 is a medium-severity vulnerability in Redhat Openshift Container Platform with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-770.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-0390
Weakness: CWE-770
Affected product: Redhat Openshift Container Platform
Published: 2024-01-09
Last modified: 2026-06-17

Description

A flaw was found in CRI-O that involves an experimental annotation leading to a container being unconfined. This may allow a pod to specify and get any amount of memory/cpu, circumventing the kubernetes scheduler and potentially resulting in a denial of service in the node.

Frequently asked questions

What is CVE-2023-6476?: A flaw was found in CRI-O that involves an experimental annotation leading to a container being unconfined. This may allow a pod to specify and get any amount of memory/cpu, circumventing the kubernetes scheduler and potentially resulting in a denial of service in the node.
How severe is CVE-2023-6476?: CVE-2023-6476 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-6476 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-6476?: CVE-2023-6476 primarily affects Redhat Openshift Container Platform. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-6476?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-6476 have an EU (EUVD) identifier?: Yes. CVE-2023-6476 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0390.
When was CVE-2023-6476 published?: CVE-2023-6476 was published on 2024-01-09 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:4.13:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:4.14:*:*:*:*:*:*:*

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