{"cve":"CVE-2020-12788","nvd":{"published":"2020-09-14T14:15:10.820","modified":"2026-06-17T02:52:18.663","status":"Modified","description":"CMAC verification functionality in Microchip Atmel ATSAMA5 products is vulnerable to vulnerable to timing and power analysis attacks.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-203"],"references":["https://labs.f-secure.com/advisories/microchip-atsama5-soc-multiple-vulnerabilities/","https://labs.f-secure.com/advisories/microchip-atsama5-soc-multiple-vulnerabilities/"],"products":["microchip:atsama5d21c-cu_firmware","microchip:atsama5d21c-cur_firmware","microchip:atsama5d225c-d1m-cur_firmware","microchip:atsama5d22c-cn_firmware","microchip:atsama5d22c-cnr_firmware","microchip:atsama5d22c-cu_firmware","microchip:atsama5d22c-cur_firmware","microchip:atsama5d23c-cn_firmware","microchip:atsama5d23c-cnr_firmware","microchip:atsama5d23c-cu_firmware","microchip:atsama5d23c-cur_firmware","microchip:atsama5d24c-cu_firmware","microchip:atsama5d24c-cuf_firmware","microchip:atsama5d24c-cur_firmware","microchip:atsama5d26c-cn_firmware","microchip:atsama5d26c-cnr_firmware","microchip:atsama5d26c-cu_firmware","microchip:atsama5d26c-cur_firmware","microchip:atsama5d27-som1_firmware","microchip:atsama5d27-wlsom1_firmware","microchip:atsama5d27c-cn_firmware","microchip:atsama5d27c-cnr_firmware","microchip:atsama5d27c-cnrvao_firmware","microchip:atsama5d27c-cnvao_firmware","microchip:atsama5d27c-cu_firmware","microchip:atsama5d27c-cur_firmware","microchip:atsama5d27c-d1g-cu_firmware","microchip:atsama5d27c-d1g-cur_firmware","microchip:atsama5d27c-d5m-cu_firmware","microchip:atsama5d27c-d5m-cur_firmware","microchip:atsama5d27c-ld1g-cu_firmware","microchip:atsama5d27c-ld1g-cur_firmware","microchip:atsama5d27c-ld2g-cu_firmware","microchip:atsama5d27c-ld2g-cur_firmware","microchip:atsama5d28c-cn_firmware","microchip:atsama5d28c-cnr_firmware","microchip:atsama5d28c-cu_firmware","microchip:atsama5d28c-cur_firmware","microchip:atsama5d28c-d1g-cu_firmware","microchip:atsama5d28c-d1g-cur_firmware","microchip:atsama5d28c-ld1g-cu_firmware","microchip:atsama5d28c-ld1g-cur_firmware","microchip:atsama5d28c-ld2g-cu_firmware","microchip:atsama5d28c-ld2g-cur_firmware","microchip:atsama5d31a-cfu_firmware","microchip:atsama5d31a-cfur_firmware","microchip:atsama5d31a-cu_firmware","microchip:atsama5d31a-cur_firmware","microchip:atsama5d33a-cu_firmware","microchip:atsama5d33a-cur_firmware"],"source":"nvd","synced_at":"2026-10-19T21:09:20.498348299+00:00"},"epss":{"cve":"CVE-2020-12788","score":0.01336,"percentile":0.71216,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}