CVE-2021-26317
Failure to verify the protocol in SMM may allow an attacker to control the protocol and modify...
Failure to verify the protocol in SMM may allow an attacker to control the protocol and modify SPI flash resulting in a potential arbitrary code execution.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Failure to verify the protocol in SMM may allow an attacker to control the protocol and modify SPI flash resulting in a potential arbitrary code execution.
- Record
CVE-2021-26317- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List No score
Failure to verify the protocol in SMM may allow an attacker to control the protocol and modify SPI flash resulting in a potential arbitrary code execution.
- Record
CVE-2021-26317- Updated
- 2026-11-02
EUVDEUVD-2021-13123 No score
Failure to verify the protocol in SMM may allow an attacker to control the protocol and modify SPI flash resulting in a potential arbitrary code execution.
- Record
EUVD-2021-13123- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qc86-j87r-2654
Failure to verify the protocol in SMM may allow an attacker to control the protocol and modify...
Failure to verify the protocol in SMM may allow an attacker to control the protocol and modify SPI flash resulting in a potential arbitrary code execution.
- Record
GHSA-qc86-j87r-2654- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-668
- Updated
- 2026-11-02
Affected products
- amd athlon 3050ge firmware
- amd athlon 3150g firmware
- amd athlon 3150ge firmware
- amd athlon™ series
- amd radeon software
- amd ryzen 3 2200u firmware
- amd ryzen 3 2300u firmware
- amd ryzen 3 3100 firmware
- amd ryzen 3 3300g firmware
- amd ryzen 3 3300x firmware
- amd ryzen 3 5125c firmware
- amd ryzen 3 5400u firmware
Show 64 moreShow less
- amd ryzen 3 5425c firmware
- amd ryzen 3 5425u firmware
- amd ryzen 5300g firmware
- amd ryzen 5300ge firmware
- amd ryzen 5600g firmware
- amd ryzen 5600ge firmware
- amd ryzen 5600x firmware
- amd ryzen 5700g firmware
- amd ryzen 5700ge firmware
- amd ryzen 5800x3d firmware
- amd ryzen 5800x firmware
- amd ryzen 5900x firmware
- amd ryzen 5950x firmware
- amd ryzen 5 2500u firmware
- amd ryzen 5 2600 firmware
- amd ryzen 5 2600h firmware
- amd ryzen 5 2600x firmware
- amd ryzen 5 3400g firmware
- amd ryzen 5 3450g firmware
- amd ryzen 5 3600 firmware
- amd ryzen 5 3600x firmware
- amd ryzen 5 5560u firmware
- amd ryzen 5 5600h firmware
- amd ryzen 5 5600hs firmware
- amd ryzen 5 5600u firmware
- amd ryzen 5 5600x firmware
- amd ryzen 5 5625c firmware
- amd ryzen 5 5625u firmware
- amd ryzen 5 5700g firmware
- amd ryzen 5 5700ge firmware
- amd ryzen 7 2700 firmware
- amd ryzen 7 2700u firmware
- amd ryzen 7 2700x firmware
- amd ryzen 7 2800h firmware
- amd ryzen 7 3700x firmware
- amd ryzen 7 3800x 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 3900x firmware
- amd ryzen 9 3950x firmware
- amd ryzen 9 5900hs firmware
- amd ryzen 9 5900hx firmware
- amd ryzen 9 5980hs firmware
- amd ryzen 9 5980hx firmware
- amd ryzen threadripper 2920x firmware
- amd ryzen threadripper 2950x firmware
- amd ryzen threadripper 2970wx firmware
- amd ryzen threadripper 2990wx firmware
- amd ryzen threadripper 3960x firmware
- amd ryzen threadripper 3970x firmware
- amd ryzen threadripper 3990x firmware
- amd ryzen threadripper pro 3945wx firmware
- amd ryzen threadripper pro 3955wx firmware
- amd ryzen threadripper pro 3975wx firmware
- amd ryzen threadripper pro 3995wx firmware
- amd ryzen threadripper pro 5945wx firmware
- amd ryzen threadripper pro 5955wx firmware
- amd ryzen threadripper pro 5965wx firmware
- amd ryzen threadripper pro 5975wx firmware
- amd ryzen threadripper pro 5995wx firmware
- amd ryzen™ series
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-26317 is a high vulnerability (CVSS 7.8) in Amd Athlon 3050ge Firmware, published May 12, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 21st percentile. No source names a fixed version.