CVE-2024-21947
Improper input validation in the system management mode (SMM) could allow a privileged attacker...
Improper input validation in the system management mode (SMM) could allow a privileged attacker to overwrite arbitrary memory potentially resulting in arbitrary code execution at the SMM level.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
7.5
Improper input validation in the system management mode (SMM) could allow a privileged attacker to overwrite arbitrary memory potentially resulting in arbitrary code execution at the SMM level.
- Record
CVE-2024-21947- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-1220
- Updated
- 2026-11-02
EUVDEUVD-2024-19553
7.5
Improper input validation in the system management mode (SMM) could allow a privileged attacker to overwrite arbitrary memory potentially resulting in arbitrary code execution at the SMM level.
- Record
EUVD-2024-19553- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-4jcj-3w4f-wvcm
7.5
Improper input validation in the system management mode (SMM) could allow a privileged attacker...
Improper input validation in the system management mode (SMM) could allow a privileged attacker to overwrite arbitrary memory potentially resulting in arbitrary code execution at the SMM level.
- Record
GHSA-4jcj-3w4f-wvcm- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-20, CWE-1220
- Updated
- 2026-11-02
NVD
7.5
Improper input validation in the system management mode (SMM) could allow a privileged attacker to overwrite arbitrary memory potentially resulting in arbitrary code execution at the SMM level.
- Record
CVE-2024-21947- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-1220
- Updated
- 2026-11-02
Affected products
- amd athlon™ 3000 series desktop processors with radeon™ graphics
- amd athlon™ 3000 series mobile processors with radeon™ graphics
- amd ryzen™ 3000 series desktop processors
- amd ryzen™ 3000 series mobile processors with radeon™ graphics
- amd ryzen™ 4000 series desktop processors
- amd ryzen™ 4000 series mobile processors with radeon™ graphics
- amd ryzen™ 5000 series desktop processors
- amd ryzen™ 5000 series desktop processors with radeon™ graphics
- amd ryzen™ 5000 series mobile processors with radeon™ graphics
- amd ryzen™ 6000 series processors with radeon™ graphics
- amd ryzen™ 7000 series desktop processors
- amd ryzen™ 7020 series processors with radeon™ graphics
Show 14 moreShow less
- amd ryzen™ 7030 series mobile processors with radeon™ graphics
- amd ryzen™ 7035 series processors with radeon™ graphics
- amd ryzen™ 7040 series mobile processors with radeon™ graphics
- amd ryzen™ 7045 series mobile processors with radeon™ graphics
- amd ryzen™ 8000 series desktop processors
- amd ryzen™ embedded 5000 series processors
- amd ryzen™ embedded r1000 series processors
- amd ryzen™ embedded r2000 series processors
- amd ryzen™ embedded v1000 series processors
- amd ryzen™ embedded v2000 series processors
- amd ryzen™ embedded v3000 series processors
- amd ryzen™ threadripper™ 3000 processors
- amd ryzen™ threadripper™ pro 3000 wx-series processors
- amd ryzen™ threadripper™ pro 5000 wx-series processors
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-21947 is a high vulnerability (CVSS 7.5) in Amd Athlon™ 3000 Series Desktop Processors With Radeon™ Graphics, published September 6, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.14%, the 3rd percentile. No source names a fixed version.