CVE-2022-47633

highpriority · track · 32EPSS 0.010 · 64 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.05% (64th) EPSS

CVSS 8.1 · high

Is it mine?

6 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

An image signature validation bypass vulnerability in Kyverno 1.8.3 and 1.8.4 allows a malicious image registry (or a man-in-the-middle attacker) to inject unsigned arbitrary container images into a protected Kubernetes cluster. This is fixed in 1.8.5. This has been fixed in 1.8.5 and mitigations are available for impacted releases.

cvss

Technical severity, 0–10. One row per scoring source.

8.1

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.1highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.2 · impact 5.9

v3.18.1highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.18.1highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 2.2 · impact 5.9

v3.18.1highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV

v3.17.4highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-287USprimaryCWE-287US

affected products (6)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
kyverno kyverno= 1.8.3nvdUScpe:2.3:a:kyverno:kyverno:*:*:*:*:*:*:*:*
kyverno kyverno= 1.8.4nvdUScpe:2.3:a:kyverno:kyverno:*:*:*:*:*:*:*:*
Bitnami kyverno= 1.8.3osvUSpkg:bitnami/kyverno
Bitnami kyverno= 1.8.4osvUSpkg:bitnami/kyverno
Go github.com/kyverno/kyverno1.8.3 → 1.8.5osvUSpkg:golang/github.com/kyverno/kyverno

advisories (3)

Vendor and ecosystem advisories describing this.

GHSA-m3cq-xcx9-3gvmkyverno verifyImages rule bypass possible with malicious proxy/registry2022-12-21ghsa · osvUS
### Impact Users of Kyverno on versions 1.8.3 or 1.8.4 who use `verifyImages` rules to verify container image signatures, and do not prevent use of unknown registries. ### Patches This issue has been fixed in version [1.8.5](https://github.com/kyverno/kyverno/releases/tag/v1.8.5) ### Workarounds Configure a Kyverno policy to restrict registries to a set of secure trusted image registries ([sample](https://kyverno.io/policies/best-practices/restrict_image_registries/restrict_image_registries/)). ### References
BIT-kyverno-2022-476332025-09-12vendor · osvUS
An image signature validation bypass vulnerability in Kyverno 1.8.3 and 1.8.4 allows a malicious image registry (or a man-in-the-middle attacker) to inject unsigned arbitrary container images into a protected Kubernetes cluster. This is fixed in 1.8.5. This has been fixed in 1.8.5 and mitigations are available for impacted releases.
GO-2022-1180Verification rule bypass in github.com/kyverno/kyverno2022-12-27vendor · osvUS
A malicious proxy/registry can bypass verifyImages rules.

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2022-12-23modified 2026-06-17

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references (16)

External citations — patches, advisories, analysis.

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