Description
CMAC verification functionality in Microchip Atmel ATSAMA5 products is vulnerable to vulnerable to timing and power analysis attacks.
References (1)
Core 1
Core References
Third Party Advisory x_refsource_misc
https://labs.f-secure.com/advisories/microchip-atsama5-soc-multiple-vulnerabilities/
Scores
CVSS v3
7.5
EPSS
0.0134
EPSS Percentile
67.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-203
Status
published
Products (50)
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
... and 40 more
Published
Sep 14, 2020
Tracked Since
Feb 18, 2026