CVE-2022-47633
CVE-2022-47633 is a high-severity vulnerability in Kyverno with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.
Key facts
- Severity: High (CVSS 3.x base score 8.1)
- EPSS exploit prediction: 1% (57th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-287
- Affected product: Kyverno
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2022-47633?
- 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.
- How severe is CVE-2022-47633?
- CVE-2022-47633 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2022-47633 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-47633?
- CVE-2022-47633 primarily affects Kyverno. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2022-47633?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2022-47633 published?
- CVE-2022-47633 was published on 2022-12-23 and last updated on 2026-06-17.
References
- https://github.com/kyverno/kyverno/compare/v1.8.4...v1.8.5
- https://github.com/kyverno/kyverno/pull/5713
- https://github.com/kyverno/kyverno/releases/tag/v1.8.5
- https://github.com/kyverno/kyverno/security/advisories/GHSA-m3cq-xcx9-3gvm
- https://kyverno.io/docs/writing-policies/verify-images/
Affected products (2)
- cpe:2.3:a:kyverno:kyverno:1.8.3:*:*:*:*:*:*:*
- cpe:2.3:a:kyverno:kyverno:1.8.4:*:*:*:*:*:*:*
More vulnerabilities in Kyverno
- CVE-2026-22039 — Critical (CVSS 9.9): Kyverno is a policy engine designed for cloud native platform engineering teams. Versions prior to 1.16.3 and 1.15.3…
- CVE-2026-4789 — Critical (CVSS 9.8): Kyverno, versions 1.16.0 and later, are vulnerable to SSRF due to unrestricted CEL HTTP functions.
- CVE-2025-46342 — High (CVSS 8.5): Kyverno is a policy engine designed for cloud native platform engineering teams. Prior to versions 1.13.5 and 1.14.0,…
- CVE-2026-41323 — High (CVSS 8.1): Kyverno is a policy engine designed for cloud native platform engineering teams. Prior to versions 1.18.0-rc1,…
- CVE-2026-40868 — High (CVSS 8.1): Kyverno is a policy engine designed for cloud native platform engineering teams. Prior to 1.16.4, kyverno’s apiCall…
- CVE-2026-41485 — High (CVSS 7.7): Kyverno is a policy engine designed for cloud native platform engineering teams. Prior to versions 1.17.2 and 1.16.4,…
Other CWE-287 (Improper Authentication) vulnerabilities
- CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
- CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
- CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
- CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
- CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…
Browse all CWE-287 (Improper Authentication) vulnerabilities →