CVE-2025-24323
📋 TL;DR
This vulnerability allows a privileged user with local access to potentially escalate privileges through improper access control in Intel PCIe Switch software. It affects systems running vulnerable firmware packages and LED mode toggle tools before version MR4_1.0b1. The issue stems from insufficient access restrictions that could be exploited by authenticated users.
💻 Affected Systems
- Intel(R) PCIe Switch software firmware packages
- Intel(R) PCIe Switch LED mode toggle tool
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
A privileged user could gain elevated system privileges, potentially compromising the entire system, accessing sensitive data, or installing persistent malware.
Likely Case
A malicious insider or compromised privileged account could gain additional system privileges beyond their intended access level.
If Mitigated
With proper access controls and least privilege principles, the impact would be limited to authorized users only performing legitimate actions.
🎯 Exploit Status
Exploitation requires local access and privileged user credentials. No public exploit code is currently available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: MR4_1.0b1 or later
Vendor Advisory: https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01339.html
Restart Required: No
Instructions:
1. Download the updated firmware package from Intel's support site. 2. Follow Intel's firmware update procedures for your specific PCIe Switch hardware. 3. Verify the update was successful by checking the firmware version.
🔧 Temporary Workarounds
Restrict local access
allLimit physical and remote local access to systems running vulnerable Intel PCIe Switch software
Implement least privilege
allApply strict access controls and limit privileged user accounts to only necessary personnel
🧯 If You Can't Patch
- Implement strict access controls and monitor privileged user activities
- Segment affected systems from critical network resources and apply network isolation
🔍 How to Verify
Check if Vulnerable:
Check the firmware version of Intel PCIe Switch software using vendor-specific management tools or BIOS/UEFI interfaceCheck Version:
Use Intel-specific management utilities or check system BIOS/UEFI for PCIe Switch firmware versionVerify Fix Applied:
Verify firmware version is MR4_1.0b1 or later using the same tools used for checking vulnerability📡 Detection & Monitoring
Log Indicators:
- Unusual firmware modification attempts
- Privilege escalation attempts in system logs
- Unauthorized access to PCIe Switch management tools
Network Indicators:
- Unusual local network traffic to/from systems with vulnerable PCIe Switch software
SIEM Query:
Search for events related to firmware modifications, privilege escalation, or unauthorized access to system management tools on affected systems