CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2021-46794
High (7.5) in amd. EPSS 0.6% chance of exploitation in the next 30 days.
Insufficient bounds checking in ASP (AMD Secure
Processor) may allow for an out of bounds read in SMI (System Management
Interface) mailbox checksum calculation triggering a data abort, resulting in a
potential denial of service.
Severity
- EPSS
- 0.6% chance of exploitation in the next 30 days; higher than 49% of CVEs (scores of 2026-10-31)
- CWE
- CWE-125
- Published
- Modified
- Record from
- the NVD, synced
Affected
- amd:athlon_gold_3150g_firmware
- amd:athlon_gold_3150ge_firmware
- amd:athlon_silver_3050ge_firmware
- amd:ryzen_1200_\(af\)_firmware
- amd:ryzen_1600_\(af\)_firmware
- amd:ryzen_2200g_firmware
- amd:ryzen_2200ge_firmware
- amd:ryzen_2300x_firmware
- amd:ryzen_2400g_firmware
- amd:ryzen_2400ge_firmware
- amd:ryzen_2500x_firmware
- amd:ryzen_2600_firmware
- amd:ryzen_2600e_firmware
- amd:ryzen_2600x_firmware
- amd:ryzen_2700_firmware
- amd:ryzen_2700e_firmware
- amd:ryzen_2700x_firmware
- amd:ryzen_2920x_firmware
- amd:ryzen_2950x_firmware
- amd:ryzen_2970wx_firmware
- amd:ryzen_2990wx_firmware
- amd:ryzen_3100_firmware
- amd:ryzen_3300x_firmware
- amd:ryzen_3500_firmware
- amd:ryzen_3500x_firmware
- amd:ryzen_3600_firmware
- amd:ryzen_3600x_firmware
- amd:ryzen_3600xt_firmware
- amd:ryzen_3800x_firmware
- amd:ryzen_3800xt_firmware
- amd:ryzen_3900_firmware
- amd:ryzen_3900x_firmware
- amd:ryzen_3900xt_firmware
- amd:ryzen_3950x_firmware
- amd:ryzen_5300g_firmware
- amd:ryzen_5300ge_firmware
- amd:ryzen_5500_firmware
- amd:ryzen_5600_firmware
- amd:ryzen_5600g_firmware
- amd:ryzen_5600ge_firmware
- amd:ryzen_5600x_firmware
- amd:ryzen_5700g_firmware
- amd:ryzen_5700ge_firmware
- amd:ryzen_5700x_firmware
- amd:ryzen_5800_firmware
- amd:ryzen_5800x3d_firmware
- amd:ryzen_5800x_firmware
- amd:ryzen_5900_firmware
- amd:ryzen_5900x_firmware
- amd:ryzen_5945wx_firmware