What is CVE-2023-33191?

CVE-2023-33191 is a medium-severity vulnerability in Kyverno, classified under Improper Access Control. CVSS score: 4.6/10. Published 2023-05-30.

How severe is CVE-2023-33191?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Vulnerability in Kyverno

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.

EPSS: 0.005 (39.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L.

Affected products

Kyverno — versions >= 1.9.2, < 1.9.4
Nirmata Kyverno

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (x_refsource_MISC, Issue Tracking)
security-advisories@github.com (x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2023-33191?: CVE-2023-33191 is a medium-severity vulnerability in Kyverno, classified under Improper Access Control. CVSS score: 4.6/10. Published 2023-05-30.
How severe is CVE-2023-33191?: Medium severity. CVSS v3 base score is 4.6 out of 10.