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CVE-2023-33191

26
FAUCET Score

CVE-2023-33191 describes a high-severity vulnerability in Kyverno, a Kubernetes policy engine, specifically affecting versions 1.9.2 and 1.9.3 when using the podSecurity validate.podSecurity subrule. This flaw allows for the circumvention of Kyverno's seccomp control, potentially enabling an attacker to bypass security policies. With a CVSS score of 8.8 (High), the vulnerability is remotely exploitable with low complexity and can lead to high impacts on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.9.2, < 1.9.4CPE matchmatch criteria
cpe:2.3:a:nirmata:kyverno:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.6MEDIUM

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
1.2
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.48%
Probability of exploitation in next 30 days
EPSS Percentile
39.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0049 is in the 28th percentile among its peer group of 17,822 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

gopatch availablevia ghsa
Product: github.com/kyverno/kyvernoFixed in: 1.9.4
github_advisoryvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

goGHSA-33hq-f2mf-jm3cmedium

kyverno seccomp control can be circumvented

May 25, 2023

References

github.com / kyverno/kyverno/pull/7263
Issue Tracking
github.com / kyverno/kyverno/releases/tag/v1.9.4
Release Notes
github.com / kyverno/kyverno/security/advisories/GHSA-33hq-f2mf-jm3c
Vendor Advisory