CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2021-46755
High (7.5) in amd. EPSS 0.6% chance of exploitation in the next 30 days.
Failure to unmap certain SysHub mappings in
error paths of the ASP (AMD Secure Processor) bootloader may allow an attacker
with a malicious bootloader to exhaust the SysHub resources 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)
- Published
- Modified
- Record from
- the NVD, synced
Affected
- 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_5500_firmware
- amd:ryzen_5600_firmware
- amd:ryzen_5600g_firmware
- amd:ryzen_5600x_firmware
- amd:ryzen_5700g_firmware
- amd:ryzen_5700x_firmware
- amd:ryzen_5800x3d_firmware
- amd:ryzen_5800x_firmware
- amd:ryzen_5900x_firmware
- amd:ryzen_5950x_firmware