CVE-2024-21947
HIGHCVSS 7.5/10EPSS 0.13%
Last modified
CVE-2024-21947 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.13% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2024-21947?
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.
How severe is CVE-2024-21947?
CVE-2024-21947 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.13% probability of exploitation in the next 30 days.
How do I fix CVE-2024-21947?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2024
- CVE-2024-21938Incorrect default permissions in the AMD Management Plugin f…7.8
- CVE-2024-21939Incorrect default permissions in the AMD Cloud Manageability…7.3
- CVE-2024-2194The WP Statistics plugin for WordPress is vulnerable to Stor…7.2
- CVE-2024-21944Improper input validation for DIMM serial presence detect (S…5.3
- CVE-2024-21945Incorrect default permissions in the AMD RyzenTM Master moni…7.3
- CVE-2024-21946Incorrect default permissions in the AMD RyzenTM Master Util…7.3
- CVE-2024-21949Improper validation of user input in the NPU driver could al…5.5
- CVE-2024-2195A critical Remote Code Execution (RCE) vulnerability was ide…9.8
- CVE-2024-21950An out of bounds read in the remote management firmware coul…1.8
- CVE-2024-21953Improper input validation in IOMMU could allow a malicious h…5.9
- CVE-2024-21957Incorrect default permissions in the AMD Management Console …7.3
- CVE-2024-21958Incorrect default permissions in the AMD Provisioning Consol…7.3
Are you affected by CVE-2024-21947?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST