CVE-2025-4617
📋 TL;DR
A local privilege bypass vulnerability in Palo Alto Networks Prisma Browser on Windows allows non-admin users to circumvent screenshot controls. This enables unauthorized screen capture despite security policies. Only Windows installations with locally authenticated non-admin users are affected.
💻 Affected Systems
- Palo Alto Networks Prisma Browser
⚠️ 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
Sensitive information displayed in the browser could be captured and exfiltrated by malicious local users, potentially exposing confidential data.
Likely Case
Local users bypass screenshot restrictions to capture browser content they shouldn't have access to, violating data protection policies.
If Mitigated
With browser self-protection enabled, screenshot controls function as intended, preventing unauthorized screen capture.
🎯 Exploit Status
Exploitation requires local access and knowledge of the bypass method. No public exploit code has been disclosed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified in advisory - check vendor documentation
Vendor Advisory: https://security.paloaltonetworks.com/CVE-2025-4617
Restart Required: Yes
Instructions:
1. Update Prisma Browser to latest version
2. Enable browser self-protection feature
3. Restart browser and verify screenshot controls are functioning
🔧 Temporary Workarounds
Enable Browser Self-Protection
windowsActivate the built-in browser self-protection feature to enforce screenshot controls
Enable via Prisma Browser security settings or group policy
🧯 If You Can't Patch
- Enable browser self-protection feature immediately
- Restrict local non-admin access to systems running Prisma Browser
🔍 How to Verify
Check if Vulnerable:
Check if browser self-protection is disabled on Windows installations with non-admin users
Check Version:
Check browser version in settings or via 'prisma-browser --version' command
Verify Fix Applied:
Verify browser self-protection is enabled and test screenshot functionality with non-admin account
📡 Detection & Monitoring
Log Indicators:
- Failed screenshot attempts by non-admin users
- Browser self-protection disable events
Network Indicators:
- Unusual screenshot capture activity from non-admin accounts
SIEM Query:
Search for events where non-admin users attempt screenshot operations on Prisma Browser