What’s Vulnerable › Vulnerabilities

CVE-2024-43403: Kanister has a potential risk which can be leveraged to make a cluster-level privilege escalation

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-08-20 · updated 2026-06-17
• Weakness: CWE-269

Description

Kanister is a data protection workflow management tool. The kanister has a deployment called default-kanister-operator, which is bound with a ClusterRole called edit via ClusterRoleBinding. The "edit" ClusterRole is one of Kubernetes default-created ClusterRole, and it has the create/patch/udpate verbs of daemonset resources, create verb of serviceaccount/token resources, and impersonate verb of serviceaccounts resources. A malicious user can leverage access the worker node which has this component to make a cluster-level privilege escalation.

Affected products

• kanisterio kanister: all versions

References

• https://github.com/kanisterio/kanister/blob/master/helm/kanister-operator/templates/rbac.yaml#L49
• https://github.com/kanisterio/kanister/security/advisories/GHSA-h27c-6xm3-mcqp

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