How severe is CVE-2023-33191?

CVE-2023-33191 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-33191 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-33191?

CVE-2023-33191 affects Nirmata Kyverno. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-33191?

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

When was CVE-2023-33191 published?

CVE-2023-33191 was published on 2023-05-30 and last updated on 2026-06-17.

CVE-2023-33191

CVE-2023-33191 is a medium-severity vulnerability in Nirmata Kyverno with a CVSS 3.x base score of 4.6. 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-284.

Key facts

Severity: Medium (CVSS 3.x base score 4.6)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Nirmata Kyverno
Published: 2023-05-30
Last modified: 2026-06-17

Description

Kyverno is a policy engine designed for Kubernetes. Kyverno seccomp control can be circumvented. Users of the podSecurity `validate.podSecurity` subrule in Kyverno 1.9.2 and 1.9.3 are vulnerable. This issue was patched in version 1.9.4.

Frequently asked questions

What is CVE-2023-33191?: Kyverno is a policy engine designed for Kubernetes. Kyverno seccomp control can be circumvented. Users of the podSecurity `validate.podSecurity` subrule in Kyverno 1.9.2 and 1.9.3 are vulnerable. This issue was patched in version 1.9.4.
How severe is CVE-2023-33191?: CVE-2023-33191 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-33191 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-33191?: CVE-2023-33191 affects Nirmata Kyverno. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-33191?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-33191 published?: CVE-2023-33191 was published on 2023-05-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nirmata:kyverno:*:*:*:*:*:*:*:*

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