How severe is CVE-2022-4318?

CVE-2022-4318 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-4318 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-4318?

CVE-2022-4318 primarily affects Redhat Openshift Container Platform For Arm64. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-4318?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-4318 published?

CVE-2022-4318 was published on 2023-09-25 and last updated on 2026-06-17.

CVE-2022-4318

CVE-2022-4318 is a high-severity vulnerability in Redhat Openshift Container Platform For Arm64 with a CVSS 3.x base score of 7.8. 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-913.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-913
Affected product: Redhat Openshift Container Platform For Arm64
Published: 2023-09-25
Last modified: 2026-06-17

Description

A vulnerability was found in cri-o. This issue allows the addition of arbitrary lines into /etc/passwd by use of a specially crafted environment variable.

Frequently asked questions

What is CVE-2022-4318?: A vulnerability was found in cri-o. This issue allows the addition of arbitrary lines into /etc/passwd by use of a specially crafted environment variable.
How severe is CVE-2022-4318?: CVE-2022-4318 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-4318 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-4318?: CVE-2022-4318 primarily affects Redhat Openshift Container Platform For Arm64. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-4318?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-4318 published?: CVE-2022-4318 was published on 2023-09-25 and last updated on 2026-06-17.

References

Affected products (12)

cpe:2.3:a:kubernetes:cri-o:-:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform_for_arm64:4.12:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform_for_linuxone:4.12:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform_for_power:4.12:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform_ibm_z_systems:4.12:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform_for_arm64:4.11:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform_for_linuxone:4.11:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform_for_power:4.11:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform_ibm_z_systems:4.11:*:*:*:*:*:*:*

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