CVE-2020-20949

{"id": "CVE-2020-20949", "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": "2021-01-20T16:15:14.007", "references": [{"url": "http://archiv.infsec.ethz.ch/education/fs08/secsem/bleichenbacher98.pdf", "tags": ["Technical Description", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://st.com", "tags": ["Product"], "source": "cve@mitre.org"}, {"url": "http://x-cube-cryptolib.com", "tags": ["Broken Link"], "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.st.com/en/embedded-software/x-cube-cryptolib.html", "tags": ["Third Party Advisory"], "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://st.com", "tags": ["Product"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://x-cube-cryptolib.com", "tags": ["Broken Link"], "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.st.com/en/embedded-software/x-cube-cryptolib.html", "tags": ["Third Party Advisory"], "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 STM32 cryptographic firmware library software expansion for STM32Cube (UM1924). 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": "El ataque de Bleichenbacher en el relleno PKCS #1 v1.5 para RSA en la expansi\u00f3n del software de la biblioteca de firmware criptogr\u00e1fico STM32 para STM32Cube (UM1924). La vulnerabilidad puede permitir que uno use un ataque de or\u00e1culo de Bleichenbacher para descifrar un texto cifrado encriptado al hacer consultas sucesivas al servidor usando la biblioteca vulnerable, resultando en la divulgaci\u00f3n de informaci\u00f3n remota"}], "lastModified": "2024-11-21T05:12:19.903", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:st:stm32cubef0:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B0981326-08C5-45AE-86E5-03AA53D8AE99"}, {"criteria": "cpe:2.3:a:st:stm32cubef1:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6E973ADD-9CA3-4397-AAE2-6420A71693A2"}, {"criteria": "cpe:2.3:a:st:stm32cubef2:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "370E3056-6D03-43DD-AC0C-03F1FC2F45A9"}, {"criteria": "cpe:2.3:a:st:stm32cubef3:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EF8ABBD3-551D-42F0-8F21-CB705F77CD7A"}, {"criteria": "cpe:2.3:a:st:stm32cubef4:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FEAE19AE-8AC7-4F33-B270-7BE1CF133F24"}, {"criteria": "cpe:2.3:a:st:stm32cubef7:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "61425839-B519-4879-9FFB-28A579AA9CB8"}, {"criteria": "cpe:2.3:a:st:stm32cubeg0:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F9D26D7E-341E-40D7-8E4E-86ECB8F95AC0"}, {"criteria": "cpe:2.3:a:st:stm32cubeg4:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D8378F71-17DA-47ED-8940-FF1F840222BC"}, {"criteria": "cpe:2.3:a:st:stm32cubeh7:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "97FCCBE1-1180-44E3-A2A7-0791F1EA7D8E"}, {"criteria": "cpe:2.3:a:st:stm32cubeide:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5889CEC2-874F-442C-A5B5-5A72587BAC71"}, {"criteria": "cpe:2.3:a:st:stm32cubel0:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BA3026EA-EBE3-4FAC-A798-B795EAA46A37"}, {"criteria": "cpe:2.3:a:st:stm32cubel1:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4725F9EB-2CD3-40A7-9C28-9175834A572B"}, {"criteria": "cpe:2.3:a:st:stm32cubel4:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4945D83E-6D1F-4DA7-8E81-DB3683BDF7B4"}, {"criteria": "cpe:2.3:a:st:stm32cubel4\\+:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4DC4A9CA-1BA8-4E76-A67C-4BCE7452F08C"}, {"criteria": "cpe:2.3:a:st:stm32cubel5:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B62B4EA2-EFE4-4649-B0CA-C90C938C6B4B"}, {"criteria": "cpe:2.3:a:st:stm32cubemonitor:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3B18C9EB-828C-406B-BB98-E940D5CB97E5"}, {"criteria": "cpe:2.3:a:st:stm32cubemp1:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "305ABE3D-197F-47AB-AEA4-B3C092888783"}, {"criteria": "cpe:2.3:a:st:stm32cubemx:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "22DEAB2C-577B-45E6-B43A-DA5AE2BCBFCA"}, {"criteria": "cpe:2.3:a:st:stm32cubeprogrammer:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DA2CB594-1178-4E8E-B989-EEE4F9E8C667"}, {"criteria": "cpe:2.3:a:st:stm32cubewb:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F709593E-1EF2-44AA-BBBF-7D2618D40F50"}, {"criteria": "cpe:2.3:a:st:stm32cubewl:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3BB96785-28FF-41E1-BBF4-27491CB2E2F4"}], "operator": "OR"}]}, {"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"}]}], "sourceIdentifier": "cve@mitre.org"}