CVE-2021-46766
Vulnerability Summary
Timeline
Description
Improper clearing of sensitive data in the ASP Bootloader may expose secret keys to a privileged attacker accessing ASP SRAM, potentially leading to a loss of confidentiality.
CVSS Metrics
- v3.1•LOW•Score: 2.5CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:N
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS Trends
Current EPSS score: 0.03%• Percentile: 10%
Techniques & Countermeasures
- CWE-459•Incomplete Cleanup
The product does not properly "clean up" and remove temporary or supporting resources after they have been used.
Affected Systems
- amd•4th gen amd epyc™ processors
various
- amd•amd epyc™ embedded 9003
various
- amd•epyc_9124_firmware
< genoapi_1.0.0.4
- amd•epyc_9174f_firmware
< genoapi_1.0.0.4
- amd•epyc_9184x_firmware
< genoapi_1.0.0.4
- amd•epyc_9224_firmware
< genoapi_1.0.0.4
- amd•epyc_9254_firmware
< genoapi_1.0.0.4
- amd•epyc_9274f_firmware
< genoapi_1.0.0.4
- amd•epyc_9334_firmware
< genoapi_1.0.0.4
- amd•epyc_9354_firmware
< genoapi_1.0.0.4
- amd•epyc_9354p_firmware
< genoapi_1.0.0.4
- amd•epyc_9374f_firmware
< genoapi_1.0.0.4
- amd•epyc_9384x_firmware
< genoapi_1.0.0.4
- amd•epyc_9454_firmware
< genoapi_1.0.0.4
- amd•epyc_9454p_firmware
< genoapi_1.0.0.4
- amd•epyc_9474f_firmware
< genoapi_1.0.0.4
- amd•epyc_9534_firmware
< genoapi_1.0.0.4
- amd•epyc_9554_firmware
< genoapi_1.0.0.4
- amd•epyc_9554p_firmware
< genoapi_1.0.0.4
- amd•epyc_9634_firmware
< genoapi_1.0.0.4
- amd•epyc_9654_firmware
< genoapi_1.0.0.4
- amd•epyc_9654p_firmware
< genoapi_1.0.0.4
- amd•epyc_9684x_firmware
< genoapi_1.0.0.4
- amd•epyc_9734_firmware
< genoapi_1.0.0.4
- amd•epyc_9754_firmware
< genoapi_1.0.0.4
- amd•epyc_9754s_firmware
< genoapi_1.0.0.4
- amd•ryzen_threadripper_pro_3945wx_firmware
< chagallwspi-swrx8_1.0.0.5
- amd•ryzen_threadripper_pro_3955wx_firmware
< chagallwspi-swrx8_1.0.0.5
- amd•ryzen_threadripper_pro_3975wx_firmware
< chagallwspi-swrx8_1.0.0.5
- amd•ryzen_threadripper_pro_3995wx_firmware
< chagallwspi-swrx8_1.0.0.5
- amd•ryzen™ threadripper™ pro 3000wx series processors “chagall” ws
various