CVE-2022-47633 json
kyverno verifyImages rule bypass possible with malicious proxy/registry
published 2022-12-21 3 y ago modified 2026-09-08 2 mo ago also BIT-kyverno-2022-47633 , EUVD-2022-7674 , GHSA-m3cq-xcx9-3gvm , GO-2022-1180
- cvss
- 8.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 64%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- go github.com/kyverno/kyverno 1.8.5
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 18 mo ago
Exploit prediction
1.05% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| OSV | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/kyverno/kyverno | >=1.8.3, <1.8.5 |
1.8.5 |
| bitnami | kyverno | >=1.8.3, <=1.8.3 >=1.8.4, <=1.8.4 |
no fix listed |
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
github.com
/kyverno/kyverno/pull/5713
web, patch, third-party-advisory, advisory
-
github.com
/kyverno/kyverno/compare/v1.8.4...v1.8.5
web, patch, third-party-advisory, advisory
-
github.com
/kyverno/kyverno/security/advisories/GHSA-m3cq-xcx9-3gvm
web, patch, third-party-advisory, advisory
-
kyverno.io
/docs/writing-policies/verify-images/
product, web
-
github.com
/kyverno/kyverno/releases/tag/v1.8.5
web, release-notes, third-party-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2022-47633
advisory, web
-
github.com
/kyverno/kyverno
package
-
kyverno.io
/docs/writing-policies/verify-images
web
-
kyverno.io
/policies/best-practices/restrict_image_registries/restrict_image_registries
web
-
pkg.go.dev
/vuln/GO-2022-1180
web
-
web.archive.org
/web/20230426095744/https://kyverno.io/policies/best-practices/restrict_image_registries/restrict_image_regist
web
Sources
- CVE List CVE-2022-47633
- GitHub Advisory GHSA-m3cq-xcx9-3gvm
- NVD CVE-2022-47633
- OSV BIT-kyverno-2022-47633
- OSV GO-2022-1180
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