{"id":"CVE-2025-54520","aliases":["EUVD-2025-31074","GHSA-pm99-pv2w-ghvr"],"status":"published","title":"Improper Protection Against Voltage and Clock Glitches in FPGA devices, could allow an attacker...","description":"Improper Protection Against Voltage and Clock Glitches in FPGA devices, could allow an attacker with physical access to undervolt the platform resulting in a loss of confidentiality.","severity":{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00197,"percentile":0.09417,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1247"],"published":"2025-09-24T21:29:03Z","modified":"2026-06-17T09:40:14Z","products":[{"vendor":"amd","product":"artix™ 7-series fpga"},{"vendor":"amd","product":"kintex™ 7-series fpga"}],"references":[{"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-8018.html"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-54520"},{"url":"https://github.com/advisories/GHSA-pm99-pv2w-ghvr"}],"sources":{"cve":[{"id":"CVE-2025-54520","description":"Improper Protection Against Voltage and Clock Glitches in FPGA devices, could allow an attacker with physical access to undervolt the platform resulting in a loss of confidentiality.","status":"published","published":"2025-09-24T21:29:03.846Z","modified":"2025-09-25T13:48:41.693Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","level":"high","assessor":"cna"}],"cwes":["CWE-1247"],"updated_at":"2026-11-02T14:32:27.603809Z"}],"euvd":[{"id":"EUVD-2025-31074","description":"Improper Protection Against Voltage and Clock Glitches in FPGA devices, could allow an attacker with physical access to undervolt the platform resulting in a loss of confidentiality.","status":"published","published":"2025-09-24T21:29:03Z","modified":"2025-09-25T13:48:41Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","level":"high"}],"updated_at":"2026-11-02T20:31:40.063213Z"}],"ghsa":[{"id":"GHSA-pm99-pv2w-ghvr","title":"Improper Protection Against Voltage and Clock Glitches in FPGA devices, could allow an attacker...","description":"Improper Protection Against Voltage and Clock Glitches in FPGA devices, could allow an attacker with physical access to undervolt the platform resulting in a loss of confidentiality.","status":"published","published":"2025-09-25T00:30:28Z","modified":"2025-09-25T00:30:28Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"}],"cwes":["CWE-1247"],"updated_at":"2026-11-02T15:03:45.893243Z"}],"nvd":[{"id":"CVE-2025-54520","description":"Improper Protection Against Voltage and Clock Glitches in FPGA devices, could allow an attacker with physical access to undervolt the platform resulting in a loss of confidentiality.","status":"published","published":"2025-09-24T22:15:35.597Z","modified":"2026-06-17T09:40:14.417Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"}],"cwes":["CWE-1247"],"updated_at":"2026-11-02T14:11:32.559087Z"}]}}