CVE-2025-4616
📋 TL;DR
A locally authenticated non-admin user can bypass security controls in Palo Alto Networks Prisma Browser by exploiting insufficient input validation. This vulnerability allows users with local access to revert browser security settings, potentially weakening endpoint protection. Only affects Prisma Browser installations with local non-admin user access.
💻 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
Local user disables all browser security controls, allowing unrestricted malicious website access, credential theft, and malware installation on the endpoint.
Likely Case
Local user temporarily bypasses specific security restrictions to access blocked websites or disable monitoring features.
If Mitigated
Limited impact due to proper access controls, monitoring, and regular security audits catching unauthorized changes.
🎯 Exploit Status
Exploitation requires local access and knowledge of the vulnerability; no public exploit code available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Palo Alto Networks security advisory for specific fixed versions
Vendor Advisory: https://security.paloaltonetworks.com/CVE-2025-4616
Restart Required: Yes
Instructions:
1. Review Palo Alto Networks advisory for affected versions. 2. Update Prisma Browser to the latest version. 3. Restart the browser and verify security controls are functioning.
🔧 Temporary Workarounds
Restrict Local User Access
allLimit local non-admin user access to endpoints with Prisma Browser installed.
Monitor Security Control Changes
allImplement monitoring for unauthorized changes to browser security settings.
🧯 If You Can't Patch
- Implement strict least-privilege access controls for local users
- Deploy endpoint monitoring to detect unauthorized security setting changes
🔍 How to Verify
Check if Vulnerable:
Check Prisma Browser version against Palo Alto Networks advisory; if running affected version and local non-admin users exist, system is vulnerable.Check Version:
Check browser 'About' section or consult Prisma Browser documentation for version command.Verify Fix Applied:
Update to patched version, restart browser, and test that non-admin users cannot modify security controls.📡 Detection & Monitoring
Log Indicators:
- Unauthorized changes to browser security settings
- Failed attempts to modify browser configuration by non-admin users
Network Indicators:
- Unusual browser traffic patterns following security control changes
SIEM Query:
Search for events where non-admin users modify browser security policies or registry/configuration files related to Prisma Browser.