CVE-2025-64427
📋 TL;DR
This vulnerability allows authenticated local users in ZimaOS to craft requests targeting internal IP addresses and services, potentially accessing HTTP/HTTPS services not meant to be exposed. It affects ZimaOS version 1.5.0 and earlier on Zima devices and x86-64 systems with UEFI.
💻 Affected Systems
- ZimaOS
📦 What is this software?
Zimaos by Zimaspace
⚠️ Risk & Real-World Impact
Worst Case
Attacker gains unauthorized access to sensitive internal services, potentially leading to data exfiltration, privilege escalation, or lateral movement within the network.
Likely Case
Local authenticated users access internal administrative interfaces or services they shouldn't have access to, potentially compromising other systems on the network.
If Mitigated
Limited impact with proper network segmentation and access controls preventing sensitive internal services from being reachable.
🎯 Exploit Status
Exploitation requires authenticated local access and ability to craft HTTP requests. No public exploit code is known.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: https://github.com/IceWhaleTech/ZimaOS/security/advisories/GHSA-m8hj-7xg5-p375
Restart Required: No
Instructions:
No official patch available. Monitor vendor advisory for updates.
🔧 Temporary Workarounds
Network Segmentation
allIsolate ZimaOS systems from sensitive internal networks to limit potential lateral movement.
Restrict Local User Access
allMinimize number of authenticated local users and implement least privilege principles.
🧯 If You Can't Patch
- Implement strict network segmentation to isolate ZimaOS systems from sensitive internal services
- Monitor network traffic for unusual requests to internal IP addresses from ZimaOS systems
🔍 How to Verify
Check if Vulnerable:
Check ZimaOS version. If version is 1.5.0 or earlier, system is vulnerable.Check Version:
Check ZimaOS web interface or system information for version numberVerify Fix Applied:
No fix available to verify. Monitor vendor advisory for patch release.📡 Detection & Monitoring
Log Indicators:
- Unusual HTTP requests from local users targeting internal IP addresses
- Requests to localhost or private IP ranges from ZimaOS services
Network Indicators:
- HTTP/HTTPS traffic from ZimaOS systems to internal IP addresses not normally accessed
- Unusual port scanning or service discovery from ZimaOS hosts
SIEM Query:
source_ip=ZimaOS_IP AND (dest_ip=127.0.0.1 OR dest_ip=10.* OR dest_ip=172.16.* OR dest_ip=192.168.*) AND protocol=http OR protocol=https