CVE-2020-3455

{"id": "CVE-2020-3455", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Secondary", "source": "ykramarz@cisco.com", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 6.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.8}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2020-10-21T19:15:16.170", "references": [{"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fxos-sbbp-XTuPkYTn", "tags": ["Patch", "Vendor Advisory"], "source": "ykramarz@cisco.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}, {"type": "Secondary", "source": "ykramarz@cisco.com", "description": [{"lang": "en", "value": "CWE-693"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability in the secure boot process of Cisco FXOS Software could allow an authenticated, local attacker to bypass the secure boot mechanisms. The vulnerability is due to insufficient protections of the secure boot process. An attacker could exploit this vulnerability by injecting code into a specific file that is then referenced during the device boot process. A successful exploit could allow the attacker to break the chain of trust and inject code into the boot process of the device which would be executed at each boot and maintain persistence across reboots."}, {"lang": "es", "value": "Una vulnerabilidad en el proceso de arranque seguro de Cisco FXOS Software, podr\u00eda permitir a un atacante local autenticado omitir los mecanismos de arranque seguro. La vulnerabilidad es debido a unas protecciones insuficientes del proceso de arranque seguro. Un atacante podr\u00eda explotar esta vulnerabilidad al inyectar c\u00f3digo en un archivo espec\u00edfico al que luego se hace referencia durante el proceso de arranque del dispositivo. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir a un atacante romper la cadena de confianza e inyectar c\u00f3digo en el proceso de arranque del dispositivo que podr\u00eda ser ejecutado en cada arranque y mantendr\u00eda la persistencia entre los reinicios"}], "lastModified": "2020-10-28T20:52:18.793", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:cisco:firepower_extensible_operating_system:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5E2D2653-311F-4D73-8331-2F7FC8462F30", "versionEndExcluding": "2.4.1.268"}, {"criteria": "cpe:2.3:o:cisco:firepower_extensible_operating_system:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "22DB1993-7E30-4E53-9572-38D226656C8F", "versionEndExcluding": "2.6.1.214", "versionStartIncluding": "2.6"}, {"criteria": "cpe:2.3:o:cisco:firepower_extensible_operating_system:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C2E8A64D-C8E2-4030-8616-D47741E43E3A", "versionEndExcluding": "2.7.1.131", "versionStartIncluding": "2.7"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:cisco:firepower_4110:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A0CBC7F5-7767-43B6-9384-BE143FCDBD7F"}, {"criteria": "cpe:2.3:h:cisco:firepower_4112:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "957D64EB-D60E-4775-B9A8-B21CA48ED3B1"}, {"criteria": "cpe:2.3:h:cisco:firepower_4115:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A694AD51-9008-4AE6-8240-98B17AB527EE"}, {"criteria": "cpe:2.3:h:cisco:firepower_4120:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "38AE6DC0-2B03-4D36-9856-42530312CC46"}, {"criteria": "cpe:2.3:h:cisco:firepower_4125:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "71DCEF22-ED20-4330-8502-EC2DD4C9838F"}, {"criteria": "cpe:2.3:h:cisco:firepower_4140:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "3DB2822B-B752-4CD9-A178-934957E306B4"}, {"criteria": "cpe:2.3:h:cisco:firepower_4145:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "81F4868A-6D62-479C-9C19-F9AABDBB6B24"}, {"criteria": "cpe:2.3:h:cisco:firepower_4150:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "65378F3A-777C-4AE2-87FB-1E7402F9EA1B"}, {"criteria": "cpe:2.3:h:cisco:firepower_9300_sm-24:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "18048A84-BA0F-48EF-AFFB-635FF7F70C66"}, {"criteria": "cpe:2.3:h:cisco:firepower_9300_sm-36:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "317DF3DD-C7CD-4CA2-804F-A738E048BEB4"}, {"criteria": "cpe:2.3:h:cisco:firepower_9300_sm-40:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "C13CF29B-9308-452B-B7E0-9E818B5A6C1E"}, {"criteria": "cpe:2.3:h:cisco:firepower_9300_sm-44:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "6DB527C2-855E-4BB9-BCA7-94BE86100D44"}, {"criteria": "cpe:2.3:h:cisco:firepower_9300_sm-44_x_3:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "E82C1B05-990D-49D2-B80A-C3EDD4082840"}, {"criteria": "cpe:2.3:h:cisco:firepower_9300_sm-48:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "421D91C3-8AB3-45E1-9E55-13ED1A4A623E"}, {"criteria": "cpe:2.3:h:cisco:firepower_9300_sm-56:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "2D741945-8B0A-408D-A5FE-D5B38DC6D46A"}, {"criteria": "cpe:2.3:h:cisco:firepower_9300_sm-56_x_3:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "9308CA67-E949-4338-A890-22B3C4428D70"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "ykramarz@cisco.com"}