{"id":"CVE-2020-13467","aliases":["EUVD-2020-5718","GHSA-252w-xrw9-hfrv"],"status":"published","title":"The flash memory readout protection in China Key Systems \u0026 Integrated Circuit CKS32F103 devices...","description":"The flash memory readout protection in China Key Systems \u0026 Integrated Circuit CKS32F103 devices allows physical attackers to extract firmware via the debug interface and exception handling.","severity":{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00297,"percentile":0.22525,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-755"],"published":"2020-08-31T15:26:29Z","modified":"2026-06-17T02:53:11Z","products":[{"vendor":"cksic","product":"cks32f103_firmware"}],"references":[{"url":"https://www.usenix.org/system/files/woot20-paper-obermaier.pdf","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-13467"},{"url":"https://github.com/advisories/GHSA-252w-xrw9-hfrv"}],"sources":{"cve":[{"id":"CVE-2020-13467","description":"The flash memory readout protection in China Key Systems \u0026 Integrated Circuit CKS32F103 devices allows physical attackers to extract firmware via the debug interface and exception handling.","status":"published","published":"2020-08-31T15:26:29Z","modified":"2024-08-04T12:18:18.263Z","updated_at":"2026-11-02T14:35:53.868619Z"}],"euvd":[{"id":"EUVD-2020-5718","description":"The flash memory readout protection in China Key Systems \u0026 Integrated Circuit CKS32F103 devices allows physical attackers to extract firmware via the debug interface and exception handling.","status":"published","published":"2020-08-31T15:26:29Z","modified":"2024-08-04T12:18:18Z","updated_at":"2026-11-03T03:07:37.76906Z"}],"ghsa":[{"id":"GHSA-252w-xrw9-hfrv","title":"The flash memory readout protection in China Key Systems \u0026 Integrated Circuit CKS32F103 devices...","description":"The flash memory readout protection in China Key Systems \u0026 Integrated Circuit CKS32F103 devices allows physical attackers to extract firmware via the debug interface and exception handling.","status":"published","published":"2022-05-24T17:26:58Z","modified":"2023-01-29T05:04:19Z","updated_at":"2026-11-02T14:45:31.23097Z"}],"nvd":[{"id":"CVE-2020-13467","description":"The flash memory readout protection in China Key Systems \u0026 Integrated Circuit CKS32F103 devices allows physical attackers to extract firmware via the debug interface and exception handling.","status":"published","published":"2020-08-31T16:15:14.457Z","modified":"2026-06-17T02:53:11.193Z","cvss":[{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-755"],"updated_at":"2026-11-02T14:06:13.600965Z"}]}}