CVSS 3.1
7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2021-26384
High (7.8) in amd. EPSS 0.2% chance of exploitation in the next 30 days.
A malformed SMI (System Management Interface) command may allow an attacker to establish a corrupted SMI Trigger Info data structure, potentially leading to out-of-bounds memory reads and writes when triggering an SMI resulting in a potential loss of resources.
Severity
- EPSS
- 0.2% chance of exploitation in the next 30 days; higher than 10% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-125, CWE-787
- Published
- Modified
- Record from
- the NVD, synced
Affected
- amd:athlon_gold_3150u_firmware
- amd:athlon_silver_3050u_firmware
- amd:ryzen_3_2200u_firmware
- amd:ryzen_3_2300u_firmware
- amd:ryzen_3_3200u_firmware
- amd:ryzen_3_3250u_firmware
- amd:ryzen_3_3300u_firmware
- amd:ryzen_3_3350u_firmware
- amd:ryzen_3_3450u_firmware
- amd:ryzen_3_3500c_firmware
- amd:ryzen_3_3500u_firmware
- amd:ryzen_3_3550h_firmware
- amd:ryzen_3_3580u_firmware
- amd:ryzen_3_3700c_firmware
- amd:ryzen_3_3700u_firmware
- amd:ryzen_3_3750h_firmware
- amd:ryzen_3_3780u_firmware
- amd:ryzen_3_5125c_firmware
- amd:ryzen_3_5300g_firmware
- amd:ryzen_3_5300ge_firmware
- amd:ryzen_3_5400u_firmware
- amd:ryzen_3_5425c_firmware
- amd:ryzen_3_5425u_firmware
- amd:ryzen_5_2500u_firmware
- amd:ryzen_5_2600_firmware
- amd:ryzen_5_2600h_firmware
- amd:ryzen_5_2600x_firmware
- amd:ryzen_5_2700_firmware
- amd:ryzen_5_2700x_firmware
- amd:ryzen_5_5560u_firmware
- amd:ryzen_5_5600g_firmware
- amd:ryzen_5_5600ge_firmware
- amd:ryzen_5_5600h_firmware
- amd:ryzen_5_5600hs_firmware
- amd:ryzen_5_5600u_firmware
- amd:ryzen_5_5625c_firmware
- amd:ryzen_5_5625u_firmware
- amd:ryzen_7_2700_firmware
- amd:ryzen_7_2700u_firmware
- amd:ryzen_7_2700x_firmware
- amd:ryzen_7_2800h_firmware
- amd:ryzen_7_5700g_firmware
- amd:ryzen_7_5700ge_firmware
- amd:ryzen_7_5800h_firmware
- amd:ryzen_7_5800hs_firmware
- amd:ryzen_7_5800u_firmware
- amd:ryzen_7_5825c_firmware
- amd:ryzen_7_5825u_firmware
- amd:ryzen_9_5900hs_firmware
- amd:ryzen_9_5900hx_firmware