CVE-2025-59596
📋 TL;DR
CVE-2025-59596 is a denial-of-service vulnerability in Secure Access Windows client that allows attackers on adjacent networks to crash client systems by sending crafted packets when local networking policies are active. This affects users running Secure Access Windows client versions 12.0 through 14.10.
💻 Affected Systems
- Absolute Secure Access Windows Client
⚠️ 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
Complete system crash requiring reboot, disrupting user productivity and potentially causing data loss if unsaved work exists.
Likely Case
Service disruption requiring client restart, causing temporary loss of secure access connectivity.
If Mitigated
Minimal impact with proper network segmentation and updated clients.
🎯 Exploit Status
Attack requires adjacent network access and knowledge of vulnerable systems.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 14.12
Vendor Advisory: https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2025-59596
Restart Required: Yes
Instructions:
1. Download Secure Access Windows client version 14.12 from Absolute portal. 2. Install the update. 3. Restart the system to complete installation.
🔧 Temporary Workarounds
Disable Local Networking Policy
windowsTemporarily disable local networking policy feature to prevent exploitation.
Configure via Absolute management console: Set local networking policy to disabled
Network Segmentation
allIsolate Secure Access clients from untrusted network segments.
🧯 If You Can't Patch
- Implement strict network segmentation to isolate Secure Access clients
- Monitor for crash events and implement compensating controls
🔍 How to Verify
Check if Vulnerable:
Check Secure Access client version via: Control Panel > Programs > Programs and Features, look for 'Absolute Secure Access' version.Check Version:
wmic product where name='Absolute Secure Access' get versionVerify Fix Applied:
Verify version shows 14.12 or higher in Control Panel > Programs > Programs and Features.📡 Detection & Monitoring
Log Indicators:
- Unexpected Secure Access client crashes
- Event ID 1000 application crashes for Secure Access
Network Indicators:
- Unusual network traffic to Secure Access client ports from adjacent networks
SIEM Query:
EventID=1000 AND Source='Application Error' AND ProcessName LIKE '%SecureAccess%'