{"attribution":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","cve":{"id":"CVE-2023-50096","sourceIdentifier":"cve@mitre.org","published":"2024-01-01T18:15:09.197","lastModified":"2026-06-17T06:39:10.047","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"STMicroelectronics STSAFE-A1xx middleware before 3.3.7 allows MCU code execution if an adversary has the ability to read from and write to the I2C bus. This is caused by an StSafeA_ReceiveBytes buffer overflow in the X-CUBE-SAFEA1 Software Package for STSAFE-A sample applications (1.2.0), and thus can affect user-written code that was derived from a published sample application."},{"lang":"es","value":"El middleware STMicroelectronics STSAFE-A1xx anterior a 3.3.7 permite la ejecución de código MCU si un adversario tiene la capacidad de leer y escribir en el bus I2C. Esto se debe a un desbordamiento de búfer StSafeA_ReceiveBytes en el paquete de software X-CUBE-SAFEA1 para aplicaciones de muestra STSAFE-A (1.2.0) y, por lo tanto, puede afectar el código escrito por el usuario que se derivó de una aplicación de muestra publicada."}],"affected":[{"source":"cve@mitre.org","affectedData":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.6,"impactScore":5.9},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.6,"impactScore":5.9}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2024-03-08T19:57:05.082683Z","id":"CVE-2023-50096","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-120"}]},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","description":[{"lang":"en","value":"CWE-120"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:st:x-cube-safea1:1.2.0:*:*:*:*:stsafe-a:*:*","matchCriteriaId":"34027773-AE78-471B-87BC-81710B0B307E"}]}]}],"references":[{"url":"https://github.com/elttam/publications/blob/master/writeups/CVE-2023-50096.md","source":"cve@mitre.org","tags":["Exploit","Third Party Advisory"]},{"url":"https://github.com/elttam/publications/blob/master/writeups/CVE-2023-50096.md","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"]}]}}