CVE-2024-21925
No known exploitation. EPSS puts it in the 9th percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
Improper input validation within the AmdPspP2CmboxV2 driver may allow a privileged attacker to overwrite SMRAM, leading to arbitrary code execution.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.2% chance of exploitation activity in the next 30 days, which ranks it in the 9th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
5 events over 0 days, from the signal feeds we watch.
- Patch availablepublished, weakness classified, att&ck mapped, record updated
Affected products
- AMD Ryzen Embedded R1000Hardware Firmware
- AMD Ryzen Embedded R2000Hardware Firmware
- AMD Ryzen Embedded V1000Hardware Firmware
- 4th Gen AMD EPYCHardware Firmware
- 2nd Gen AMD EPYCHardware Firmware
- AMD EPYC Embedded 7002Hardware Firmware
- AMD Ryzen Threadripper PRO 7000 WX-Series ProcessorsHardware Firmware
- AMD Ryzen Threadripper PRO 3000WX Series ProcessorsHardware Firmware
- AMD EPYC™ 7001 ProcessorsHardware Firmware
- AMD EPYC™ 7002 ProcessorsHardware Firmware
- AMD EPYC™ 9004 ProcessorsHardware Firmware
- AMD EPYC™ 7003 ProcessorsHardware Firmware
- AMD Ryzen™ 3000 Series Desktop ProcessorsHardware Firmware
- AMD Ryzen™ 5000 Series Desktop ProcessorsHardware Firmware
- AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ GraphicsHardware Firmware
- AMD Ryzen™ 7000 Series Desktop ProcessorsHardware Firmware
And 63 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Scored 8.2 by NVD.
How it is reached
- Attack Vector LocalRequires local access to the vulnerable system (e.g. local login, malicious file)
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required HighRequires admin or elevated privileges
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope ChangedThe exploit can affect other components (e.g. sandbox escape, host compromise from VM)
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity HighTotal loss of integrity — attacker can modify any data in the component
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
- Initial AccessT1190Exploit Public-Facing Applicationlow confidence
Sources
Watch the software you run.
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