{"id":"CVE-2025-64434","state":"PUBLISHED","title":"KubeVirt Improper TLS Certificate Management Handling Allows API Identity Spoofing","description":"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.","publishedAt":"2025-11-07T22:54:04.772Z","updatedAt":"2025-11-10T19:03:26.345Z","severity":{"score":4.7,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["kubevirt kubevirt"],"affected":[{"vendor":"kubevirt","product":"kubevirt","versions":[{"version":"< 1.5.3","status":"affected"},{"version":">= 1.6.0-alpha.0, < 1.6.1","status":"affected"}]}],"references":["https://github.com/kubevirt/kubevirt/security/advisories/GHSA-ggp9-c99x-54gp","https://github.com/kubevirt/kubevirt/commit/231dc69723f331dc02f65a31ab4c3d6869f40d6a","https://github.com/kubevirt/kubevirt/commit/af2f08a9a186eccc650f87c30ab3e07b669e8b5b","https://github.com/kubevirt/kubevirt/commit/b9773bc588e6e18ece896a2dad5336ef7a653074"],"weaknesses":["CWE-287"],"ingestedAt":"2026-10-29T20:09:48.677Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/64xxx/CVE-2025-64434.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-64434","state":"PUBLISHED","datePublished":"2025-11-07T22:54:04.772Z","dateUpdated":"2025-11-10T19:03:26.345Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2025-11-03T22:12:51.365Z"},"containers":{"cna":{"title":"KubeVirt Improper TLS Certificate Management Handling Allows API Identity Spoofing","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"kubevirt","product":"kubevirt","versions":[{"version":"< 1.5.3","status":"affected"},{"version":">= 1.6.0-alpha.0, < 1.6.1","status":"affected"}]}],"references":[{"url":"https://github.com/kubevirt/kubevirt/security/advisories/GHSA-ggp9-c99x-54gp","name":"https://github.com/kubevirt/kubevirt/security/advisories/GHSA-ggp9-c99x-54gp","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/kubevirt/kubevirt/commit/231dc69723f331dc02f65a31ab4c3d6869f40d6a","name":"https://github.com/kubevirt/kubevirt/commit/231dc69723f331dc02f65a31ab4c3d6869f40d6a","tags":["x_refsource_MISC"]},{"url":"https://github.com/kubevirt/kubevirt/commit/af2f08a9a186eccc650f87c30ab3e07b669e8b5b","name":"https://github.com/kubevirt/kubevirt/commit/af2f08a9a186eccc650f87c30ab3e07b669e8b5b","tags":["x_refsource_MISC"]},{"url":"https://github.com/kubevirt/kubevirt/commit/b9773bc588e6e18ece896a2dad5336ef7a653074","name":"https://github.com/kubevirt/kubevirt/commit/b9773bc588e6e18ece896a2dad5336ef7a653074","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":4.7,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-287","lang":"en","description":"CWE-287: Improper Authentication","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2025-11-07T22:54:04.772Z"},"source":{"advisory":"GHSA-ggp9-c99x-54gp","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-11-10T19:02:59.922086Z","id":"CVE-2025-64434","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-11-10T19:03:26.345Z"}}]}}}