Vulnerability Details : CVE-2021-26366
An attacker, who gained elevated privileges via some other vulnerability, may be able to read data from Boot ROM resulting in a loss of system integrity.
Products affected by CVE-2021-26366
- cpe:2.3:a:amd:radeon_software:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_threadripper_pro_3995wx_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_threadripper_pro_3975wx_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_threadripper_pro_3955wx_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_threadripper_pro_3945wx_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_threadripper_3990x_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_threadripper_3970x_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_threadripper_3960x_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_threadripper_2990wx_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_threadripper_2970wx_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_threadripper_2950x_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_threadripper_2920x_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:athlon_3150ge_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:athlon_3150g_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:athlon_3050ge_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_threadripper_pro_5995wx_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_threadripper_pro_5975wx_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_threadripper_pro_5965wx_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_threadripper_pro_5955wx_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_threadripper_pro_5945wx_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_7_2700x_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_7_2700_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_2600x_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_2600_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_9_3950x_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_9_3900x_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_7_3800x_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_7_3700x_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_3600x_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_3600_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_3400g_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_3_3300x_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_3_3300g_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_3_3100_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_3_2200u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_3_2300u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_2500u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_2600h_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_7_2700u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_7_2800h_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_9_5980hx_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_9_5980hs_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_7_5825u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_9_5900hx_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_9_5900hs_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_5625u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_7_5800h_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_7_5800hs_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_5600h_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_5600hs_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_7_5800u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_5600u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_3_5425u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_3_5400u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_5700g_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_5700ge_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_3450g_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_7_5825c_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_5625c_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_5560u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_3_5425c_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_3_5125c_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_5600x_firmware:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-26366
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 19 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-26366
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.6
|
LOW | AV:L/AC:L/Au:N/C:P/I:P/A:N |
3.9
|
4.9
|
NIST | |
|
7.1
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
1.8
|
5.2
|
NIST |
CWE ids for CVE-2021-26366
-
The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-26366
-
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027
AMD Client Vulnerabilities – May 2022 | AMDVendor Advisory
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