{"id":"CVE-2023-20583","aliases":["EUVD-2023-24762","GHSA-52f4-rvv8-64gj"],"status":"published","title":"Software based Power Side Channel on AMD CPUs","description":"A potential power side-channel vulnerability in\nAMD processors may allow an authenticated attacker to monitor the CPU power\nconsumption as the data in a cache line changes over time potentially resulting\nin a leak of sensitive information.","severity":{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00237,"percentile":0.14816,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-203"],"published":"2023-08-01T18:00:43Z","modified":"2026-06-17T05:30:21Z","products":[{"vendor":"amd","product":"*"},{"vendor":"amd","product":"processors"}],"references":[{"url":"https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7006","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-20583"},{"url":"https://github.com/advisories/GHSA-52f4-rvv8-64gj"}],"sources":{"cve":[{"id":"CVE-2023-20583","title":"Software based Power Side Channel on AMD CPUs ","description":"A potential power side-channel vulnerability in\nAMD processors may allow an authenticated attacker to monitor the CPU power\nconsumption as the data in a cache line changes over time potentially resulting\nin a leak of sensitive information.\n\n\n\n\n\n\n\n\n\n\n\n\n\n","status":"published","published":"2023-08-01T18:00:43.783Z","modified":"2024-10-17T20:12:58.969Z","updated_at":"2026-11-02T14:35:13.368958Z"}],"euvd":[{"id":"EUVD-2023-24762","description":"A potential power side-channel vulnerability in\nAMD processors may allow an authenticated attacker to monitor the CPU power\nconsumption as the data in a cache line changes over time potentially resulting\nin a leak of sensitive information.\n\n\n\n\n\n\n\n\n\n\n\n\n\n","status":"published","published":"2023-08-01T18:00:43Z","modified":"2024-10-17T20:12:58Z","cvss":[{"version":"","score":0,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"none"}],"updated_at":"2026-11-03T00:27:33.264541Z"}],"ghsa":[{"id":"GHSA-52f4-rvv8-64gj","title":"A potential power side-channel vulnerability in\nAMD processors may allow an authenticated...","description":"A potential power side-channel vulnerability in\nAMD processors may allow an authenticated attacker to monitor the CPU power\nconsumption as the data in a cache line changes over time potentially resulting\nin a leak of sensitive information.\n\n\n\n\n\n\n\n\n\n\n\n\n\n","status":"published","published":"2023-08-01T21:30:43Z","modified":"2024-04-04T06:28:52Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-203"],"updated_at":"2026-11-02T14:56:42.669106Z"}],"nvd":[{"id":"CVE-2023-20583","description":"A potential power side-channel vulnerability in\nAMD processors may allow an authenticated attacker to monitor the CPU power\nconsumption as the data in a cache line changes over time potentially resulting\nin a leak of sensitive information.\n\n\n\n\n\n\n\n\n\n\n\n\n\n","status":"published","published":"2023-08-01T19:15:09.827Z","modified":"2026-06-17T05:30:21.777Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-203"],"updated_at":"2026-11-02T14:08:18.687088Z"}]}}