CVE-2022-35930

Name: CVE-2022-35930
Creator: NVD / NIST
Published: 2022-08-04T22:15:08.07+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.51%

Last modified Jun 17, 2026

CVE-2022-35930 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. PolicyController is a utility used to enforce supply chain policy in Kubernetes clusters. In versions prior to 0.2.1 PolicyController will report a false positive, resulting in an admission when it should not be admitted when there is at least one attestation with a valid signature and there are NO attestations of the type being verified (--type defaults to "custom"). EPSS estimates a 0.51% chance of exploitation in the next 30 days.

Description

PolicyController is a utility used to enforce supply chain policy in Kubernetes clusters. In versions prior to 0.2.1 PolicyController will report a false positive, resulting in an admission when it should not be admitted when there is at least one attestation with a valid signature and there are NO attestations of the type being verified (--type defaults to "custom"). An example image that can be used to test this is `ghcr.io/distroless/static@sha256:dd7614b5a12bc4d617b223c588b4e0c833402b8f4991fb5702ea83afad1986e2`. Users should upgrade to version 0.2.1 to resolve this issue. There are no workarounds for users unable to upgrade.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.51%

39.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-347

Affected Software

Vendor	Product	Versions
Sigstore	Policy Controller	< 0.2.1

References

https://github.com/sigstore/policy-controller/commit/e852af36fb7d42678b21d7e97503c25bd1fd05c8Patch, Third Party Advisory
https://github.com/sigstore/policy-controller/releases/tag/v0.2.1Third Party Advisory
https://github.com/sigstore/policy-controller/security/advisories/GHSA-739f-hw6h-7wq8Third Party Advisory
https://github.com/sigstore/policy-controller/commit/e852af36fb7d42678b21d7e97503c25bd1fd05c8Patch, Third Party Advisory
https://github.com/sigstore/policy-controller/releases/tag/v0.2.1Third Party Advisory
https://github.com/sigstore/policy-controller/security/advisories/GHSA-739f-hw6h-7wq8Third Party Advisory

Timeline

Published: Aug 4, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-35930?

How severe is CVE-2022-35930?

CVE-2022-35930 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.51% probability of exploitation in the next 30 days.

How do I fix CVE-2022-35930?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-35930?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST