CVE-2022-23821 json
Improper access control in System Management Mode (SMM) may allow an attacker to write to SPI ROM potentially leading to arbitrary code exe…
published 2023-11-14 2 y ago modified 2026-06-17 4 mo ago also EUVD-2022-28750
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 62%
- public exploits
- 0
- none known
Summary
Improper access control in System Management Mode (SMM) may allow an attacker to write to SPI ROM potentially leading to arbitrary code execution.
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
0.99% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- AMD Ryzen™ 3000 Series Desktop Processors “Matisse”
- AMD Ryzen™ 5000 Series Desktop Processors “Vermeer”
- AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics “Cezanne”
- AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics “Picasso” AM4
- AMD Ryzen™ Threadripper™ 2000 Series Processors “Colfax”
- AMD Ryzen™ Threadripper™ 3000 Series Processors “Castle Peak” HEDT
- AMD Ryzen™ Threadripper™ PRO Processors “Castle Peak” WS SP3
- AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors “Chagall” WS
- AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Dali”/”Dali” FP5
- AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock”
- AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics “Picasso” FP5
- AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics “Renoir” FP6
- AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne”
- AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Cezanne”
- AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics "Rembrandt"
- AMD AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics “Rembrandt-R”
- AMD AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics “Barcelo”
- AMD AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics “Barcelo-R”
- AMD AMD Ryzen™ Embedded R1000
- AMD AMD Ryzen™ Embedded R2000
- AMD AMD Ryzen™ Embedded 5000
- AMD AMD Ryzen™ Embedded V1000
- AMD AMD Ryzen™ Embedded V2000
- AMD AMD Ryzen™ Embedded V3000
References
-
amd.com
/en/corporate/product-security/bulletin/AMD-SB-4002
vendor-advisory, third-party-advisory
-
amd.com
/en/corporate/product-security/bulletin/AMD-SB-5001
vendor-advisory
Sources
- CVE List CVE-2022-23821
- NVD CVE-2022-23821
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