{"id":"CVE-2024-4760","aliases":["EUVD-2024-44357","GHSA-5mp7-g9p8-p9xx"],"status":"published","title":"Voltage glitch during startup of the EEFC NVM controller can bypass the security bit","description":"A voltage glitch during the startup of EEFC NVM controllers on Microchip SAM E70/S70/V70/V71, SAM G55, SAM 4C/4S/4N/4E, and SAM 3S/3N/3U microcontrollers allows access to the memory bus via the debug interface even if the security bit is set.","severity":{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00209,"percentile":0.11215,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1247"],"published":"2024-05-16T13:07:57Z","modified":"2026-06-17T08:02:50Z","products":[{"vendor":"amtel","product":"same70"},{"vendor":"amtel","product":"sams70"},{"vendor":"amtel","product":"samv70"},{"vendor":"amtel","product":"samv71"},{"vendor":"microchip","product":"sam3n"},{"vendor":"microchip","product":"sam3s"},{"vendor":"microchip","product":"sam3u"},{"vendor":"microchip","product":"sam4c"},{"vendor":"microchip","product":"sam4e"},{"vendor":"microchip","product":"sam4n"},{"vendor":"microchip","product":"sam4s"},{"vendor":"microchip","product":"same70"},{"vendor":"microchip","product":"samg55"},{"vendor":"microchip","product":"sams70"},{"vendor":"microchip","product":"samv70"},{"vendor":"microchip","product":"samv71"}],"references":[{"url":"https://www.0x01team.com/hw_security/bypassing-microchip-atmel-sam-e70-s70-v70-v71-security/","tags":["technical-description","exploit","x_transferred"]},{"url":"https://ww1.microchip.com/downloads/aemDocuments/documents/MCU32/ProductDocuments/SupportingCollateral/Security-Advisory-CVE-2024-4760.pdf","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-4760"},{"url":"https://www.0x01team.com/hw_security/bypassing-microchip-atmel-sam-e70-s70-v70-v71-security"},{"url":"https://github.com/advisories/GHSA-5mp7-g9p8-p9xx"}],"sources":{"cve":[{"id":"CVE-2024-4760","title":"Voltage glitch during startup of the EEFC NVM controller can bypass the security bit","description":"A voltage glitch during the startup of EEFC NVM controllers on Microchip SAM E70/S70/V70/V71, SAM G55, SAM 4C/4S/4N/4E, and SAM 3S/3N/3U microcontrollers allows access to the memory bus via the debug interface even if the security bit is set.","status":"published","published":"2024-05-16T13:07:57.462Z","modified":"2025-06-06T15:08:03.023Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-1247"],"updated_at":"2026-11-02T14:34:17.150655Z"}],"euvd":[{"id":"EUVD-2024-44357","description":"A voltage glitch during the startup of EEFC NVM controllers on Microchip SAM E70/S70/V70/V71, SAM G55, SAM 4C/4S/4N/4E, and SAM 3S/3N/3U microcontrollers allows access to the memory bus via the debug interface even if the security bit is set.","status":"published","published":"2024-05-16T13:07:57Z","modified":"2025-06-06T15:08:03Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T20:32:28.636987Z"}],"ghsa":[{"id":"GHSA-5mp7-g9p8-p9xx","title":"A voltage glitch during the startup of EEFC NVM controllers on Microchip SAM E70/S70/V70/V71...","description":"A voltage glitch during the startup of EEFC NVM controllers on Microchip SAM E70/S70/V70/V71 microcontrollers allows access to the memory bus via the debug interface even if the security bit is set.","status":"published","published":"2024-05-16T15:31:37Z","modified":"2025-06-06T15:31:40Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-1247"],"updated_at":"2026-11-02T15:02:36.716366Z"}],"nvd":[{"id":"CVE-2024-4760","description":"A voltage glitch during the startup of EEFC NVM controllers on Microchip SAM E70/S70/V70/V71, SAM G55, SAM 4C/4S/4N/4E, and SAM 3S/3N/3U microcontrollers allows access to the memory bus via the debug interface even if the security bit is set.","status":"published","published":"2024-05-16T13:15:47.893Z","modified":"2026-06-17T08:02:50.677Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-1247"],"updated_at":"2026-11-02T14:09:59.094954Z"}]}}