CVE-2021-28510

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Repeated restarts of the service will make the service unavailable."}, {"lang": "es", "value": "Para ciertos sistemas que ejecutan EOS, un paquete de protocolo de tiempo de precisi\u00f3n (PTP) de un mensaje de administraci\u00f3n/se\u00f1alizaci\u00f3n con un valor de tipo, longitud y valor (TLV) no v\u00e1lido hace que el agente PTP se reinicie. Los reinicios repetidos del servicio har\u00e1n que el servicio no est\u00e9 disponible."}], "id": "CVE-2021-28510", "lastModified": "2026-06-17T03:46:29.730", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "psirt@arista.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-28510", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-04-01T18:44:12.691655Z", "version": "2.0.3"}}]}, "published": "2023-01-26T21:15:22.147", "references": [{"source": "psirt@arista.com", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "url": "https://www.arista.com/en/support/advisories-notices/security-advisory/15439-security-advisory-0076"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "url": "https://www.arista.com/en/support/advisories-notices/security-advisory/15439-security-advisory-0076"}], "sourceIdentifier": "psirt@arista.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "psirt@arista.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-1284"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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