{"id":"CVE-2023-32157","aliases":["EUVD-2023-36425","GHSA-hr9q-3pw2-j87w"],"status":"published","title":"Tesla Model 3 bsa_server BIP Heap-based Buffer Overflow Arbitrary Code Execution Vulnerability","description":"Tesla Model 3 bsa_server BIP Heap-based Buffer Overflow Arbitrary Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected Tesla Model 3 vehicles. An attacker must first obtain the ability to pair a malicious Bluetooth device with the target system in order to exploit this vulnerability.\n\nThe specific flaw exists within the bsa_server process. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of an unprivileged user in a sandboxed process.\n. Was ZDI-CAN-20737.","severity":{"version":"3.0","score":4.6,"vector":"CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.004,"percentile":0.34612,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122","CWE-787"],"published":"2024-05-03T01:56:39Z","modified":"2026-06-17T05:58:12Z","products":[{"vendor":"tesla","product":"model 3"},{"vendor":"tesla","product":"model_3_firmware"}],"references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-23-973/","tags":["x_research-advisory","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-32157"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-23-973"},{"url":"https://github.com/advisories/GHSA-hr9q-3pw2-j87w"}],"sources":{"cve":[{"id":"CVE-2023-32157","title":"Tesla Model 3 bsa_server BIP Heap-based Buffer Overflow Arbitrary Code Execution Vulnerability","description":"Tesla Model 3 bsa_server BIP Heap-based Buffer Overflow Arbitrary Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected Tesla Model 3 vehicles. An attacker must first obtain the ability to pair a malicious Bluetooth device with the target system in order to exploit this vulnerability.\n\nThe specific flaw exists within the bsa_server process. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of an unprivileged user in a sandboxed process.\n. Was ZDI-CAN-20737.","status":"published","published":"2024-05-03T01:56:39.627Z","modified":"2024-09-18T18:28:22.099Z","cvss":[{"version":"3.0","score":4.6,"vector":"CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:35:29.381004Z"}],"euvd":[{"id":"EUVD-2023-36425","description":"Tesla Model 3 bsa_server BIP Heap-based Buffer Overflow Arbitrary Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected Tesla Model 3 vehicles. An attacker must first obtain the ability to pair a malicious Bluetooth device with the target system in order to exploit this vulnerability.\n\nThe specific flaw exists within the bsa_server process. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of an unprivileged user in a sandboxed process.\n. Was ZDI-CAN-20737.","status":"published","published":"2024-05-03T01:56:39Z","modified":"2024-09-18T18:28:22Z","cvss":[{"version":"3.0","score":4.6,"vector":"CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-03T00:28:20.565617Z"}],"ghsa":[{"id":"GHSA-hr9q-3pw2-j87w","title":"Tesla Model 3 bsa_server BIP Heap-based Buffer Overflow Arbitrary Code Execution Vulnerability....","description":"Tesla Model 3 bsa_server BIP Heap-based Buffer Overflow Arbitrary Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected Tesla Model 3 vehicles. An attacker must first obtain the ability to pair a malicious Bluetooth device with the target system in order to exploit this vulnerability.\n\nThe specific flaw exists within the bsa_server process. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of an unprivileged user in a sandboxed process. Was ZDI-CAN-20737.","status":"published","published":"2024-05-03T03:30:50Z","modified":"2025-08-13T15:31:33Z","cvss":[{"version":"3.0","score":4.6,"vector":"CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T15:03:16.715076Z"}],"nvd":[{"id":"CVE-2023-32157","description":"Tesla Model 3 bsa_server BIP Heap-based Buffer Overflow Arbitrary Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected Tesla Model 3 vehicles. An attacker must first obtain the ability to pair a malicious Bluetooth device with the target system in order to exploit this vulnerability.\n\nThe specific flaw exists within the bsa_server process. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of an unprivileged user in a sandboxed process.\n. Was ZDI-CAN-20737.","status":"published","published":"2024-05-03T02:15:20.517Z","modified":"2026-06-17T05:58:12.57Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.0","score":4.6,"vector":"CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T14:09:11.362739Z"}]}}