CVE-2020-20950

{"id": "CVE-2020-20950", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.2}]}, "published": "2021-01-19T13:15:11.887", "references": [{"url": "http://archiv.infsec.ethz.ch/education/fs08/secsem/bleichenbacher98.pdf", "tags": ["Technical Description", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://microchip.com", "tags": ["Product"], "source": "cve@mitre.org"}, {"url": "https://bi-zone.medium.com/silence-will-fall-or-how-it-can-take-2-years-to-get-your-vuln-registered-e6134846f5bb", "tags": ["Technical Description", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.microchip.com/mplab/microchip-libraries-for-applications", "tags": ["Product"], "source": "cve@mitre.org"}, {"url": "http://archiv.infsec.ethz.ch/education/fs08/secsem/bleichenbacher98.pdf", "tags": ["Technical Description", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://microchip.com", "tags": ["Product"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bi-zone.medium.com/silence-will-fall-or-how-it-can-take-2-years-to-get-your-vuln-registered-e6134846f5bb", "tags": ["Technical Description", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.microchip.com/mplab/microchip-libraries-for-applications", "tags": ["Product"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-327"}]}], "descriptions": [{"lang": "en", "value": "Bleichenbacher's attack on PKCS #1 v1.5 padding for RSA in Microchip Libraries for Applications 2018-11-26 All up to 2018-11-26. The vulnerability can allow one to use Bleichenbacher's oracle attack to decrypt an encrypted ciphertext by making successive queries to the server using the vulnerable library, resulting in remote information disclosure."}, {"lang": "es", "value": "Un ataque de Bleichenbacher en el relleno PKCS#1 versi\u00f3n v1.5 para RSA en las Bibliotecas de Microchip para Aplicaciones en todas las versiones del 26-11-2018 hasta el 26-11-2018. La vulnerabilidad puede permitir a uno usar el ataque de or\u00e1culo de Bleichenbacher para descifrar un texto encriptado cifrado al hacer consultas sucesivas al servidor usando la biblioteca vulnerable, resultando en una divulgaci\u00f3n de informaci\u00f3n remota"}], "lastModified": "2024-11-21T05:12:20.087", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ietf:public_key_cryptography_standards_\\#1:1.5:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0563022F-D818-46C3-AF66-E84984174DA8"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microchip:microchip_libraries_for_applications:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1D66BCB6-AC9B-4437-A0AB-645A353F2B4E", "versionEndIncluding": "2018-11-26"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1"}, {"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}