CVE-2025-66406

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{"affected": [{"affectedData": [{"product": "certificates", "vendor": "smallstep", "versions": [{"status": "affected", "version": "< 0.29.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Step CA is an online certificate authority for secure, automated certificate management for DevOps. Prior to 0.29.0, there is an improper authorization check for SSH certificate revocation. This affects deployments configured with the SSHPOP provisioner. This vulnerability is fixed in 0.29.0."}, {"lang": "es", "value": "Step CA es una autoridad de certificaci\u00f3n en l\u00ednea para la gesti\u00f3n segura y automatizada de certificados para DevOps. Versiones anteriores a la 0.29.0, existe una comprobaci\u00f3n de autorizaci\u00f3n incorrecta para la revocaci\u00f3n de certificados SSH. Esto afecta a los despliegues configurados con el provisionador SSHPOP. Esta vulnerabilidad est\u00e1 corregida en la 0.29.0."}], "id": "CVE-2025-66406", "lastModified": "2026-10-18T17:10:00.110", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 0.7, "impactScore": 4.2, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-66406", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-12-03T21:40:49.793375Z", "version": "2.0.3"}}]}, "published": "2025-12-03T20:16:26.560", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/smallstep/certificates/security/advisories/GHSA-j7c9-79x7-8hpr"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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{"created": "2025-12-04T16:43:56.540576+00:00", "updated": "2025-12-04T16:43:56.540642+00:00", "vendors": ["smallstep", "smallstep$PRODUCT$certificates"]}