CVE-2025-64434: medium-severity vulnerability in kubevirt
KubeVirt Improper TLS Certificate Management Handling Allows API Identity Spoofing
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.7epss 0.2%
KubeVirt is a virtual machine management add-on for Kubernetes. Prior to 1.5.3 and 1.6.1, due to the peer verification logic in virt-handler (via verifyPeerCert), an attacker who compromises a virt-handler instance, could exploit these shared credentials to impersonate virt-api and execute privileged operations against other virt-handler instances potentially compromising the integrity and availability of the VM managed by it. This vulnerability is fixed in 1.5.3 and 1.6.1.
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
kubevirt · kubevirtRelated CVEs — kubevirt
In the same product, most dangerous first.
CVE-2023-26484HIGHOn a compromised KubeVirt node, the virt-handler service account can be used to modify all node specsEPSS 0.6%CVE-2025-64433MEDIUMKubeVirt Arbitrary Container File ReadEPSS 0.5%CVE-2025-64435MEDIUMKubeVirt VMI Denial-of-Service (DoS) Using Pod ImpersonationEPSS 0.4%CVE-2025-64436MEDIUMKubeVirt Excessive Role Permissions Could Enable Unauthorized VMI Migrations Between NodesEPSS 0.3%CVE-2025-64324HIGHKubeVirt Vulnerable to Arbitrary Host File Read and WriteEPSS 0.2%CVE-2025-64437MEDIUMKubeVirt Isolation Detection Flaw Allows Arbitrary File Permission ChangesEPSS 0.2%
References
https://github.com/kubevirt/kubevirt/commit/231dc69723f331dc02f65a31ab4c3d6869f40d6ahttps://github.com/kubevirt/kubevirt/commit/af2f08a9a186eccc650f87c30ab3e07b669e8b5bhttps://github.com/kubevirt/kubevirt/commit/b9773bc588e6e18ece896a2dad5336ef7a653074https://github.com/kubevirt/kubevirt/security/advisories/GHSA-ggp9-c99x-54gp