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CVE-2022-47633

26
FAUCET Score

CVE-2022-47633 is an image signature validation bypass vulnerability affecting Kyverno versions 1.8.3 and 1.8.4. This flaw allows a malicious image registry or a man-in-the-middle attacker to inject unsigned, arbitrary container images into a protected Kubernetes cluster. With a CVSS score of 8.1 (High), this vulnerability has a network attack vector, high impact on confidentiality, integrity, and availability, but requires high attack complexity. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE. The issue has been fixed in Kyverno 1.8.5, and mitigations are available for earlier affected releases.

Impacted Technologies

VendorProductVersion(s)CPE
1.8.3CPE matchmatch criteria
cpe:2.3:a:kyverno:kyverno:1.8.3:*:*:*:*:*:*:*
1.8.4CPE matchmatch criteria
cpe:2.3:a:kyverno:kyverno:1.8.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.96%
Probability of exploitation in next 30 days
EPSS Percentile
57.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0096 is in the 23rd percentile among its peer group of 8,914 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 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)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/kyverno/kyvernoFixed in: 1.8.5

Vendor Advisories (1)

goGHSA-m3cq-xcx9-3gvmhigh

kyverno verifyImages rule bypass possible with malicious proxy/registry

Dec 21, 2022

References

github.com / kyverno/kyverno/compare/v1.8.4...v1.8.5
PatchThird Party Advisory
github.com / kyverno/kyverno/pull/5713
PatchThird Party Advisory
github.com / kyverno/kyverno/releases/tag/v1.8.5
Release NotesThird Party Advisory
github.com / kyverno/kyverno/security/advisories/GHSA-m3cq-xcx9-3gvm
PatchThird Party Advisory
kyverno.io / docs/writing-policies/verify-images
Product