CVE-2025-11761
📋 TL;DR
This vulnerability in HP Client Management Script Library allows attackers to escalate privileges during software installation. It affects systems running vulnerable versions of this HP software. The issue could let local users gain higher system permissions than intended.
💻 Affected Systems
- HP Client Management Script Library
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
An attacker with local access could gain SYSTEM/administrator privileges, potentially taking full control of the affected system.
Likely Case
Local authenticated users could elevate their privileges to install malicious software, modify system settings, or access restricted data.
If Mitigated
With proper access controls and least privilege principles, impact is limited to authorized users attempting privilege escalation.
🎯 Exploit Status
Requires local access to the system. The CWE-427 (Uncontrolled Search Path Element) suggests manipulation of installation paths could lead to privilege escalation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Update available via HP Support Assistant or HP Image Assistant
Vendor Advisory: https://support.hp.com/us-en/document/ish_13187651-13187675-16/hpsbhf04058
Restart Required: Yes
Instructions:
1. Open HP Support Assistant. 2. Check for updates. 3. Install available updates for HP Client Management Script Library. 4. Restart the system.
🔧 Temporary Workarounds
Remove vulnerable software
windowsUninstall HP Client Management Script Library if not required
Control Panel > Programs > Uninstall a program > Select HP Client Management Script Library > Uninstall
Restrict installation permissions
windowsLimit who can install software on affected systems
🧯 If You Can't Patch
- Implement strict least privilege access controls to limit who can install software
- Monitor for unusual installation activities or privilege escalation attempts
🔍 How to Verify
Check if Vulnerable:
Check installed programs for HP Client Management Script Library version. If present and not updated, assume vulnerable.
Check Version:
wmic product where name='HP Client Management Script Library' get version
Verify Fix Applied:
Verify HP Client Management Script Library is updated to latest version or removed from system.
📡 Detection & Monitoring
Log Indicators:
- Unexpected installation processes
- Privilege escalation attempts in security logs
- HP Client Management Script Library installation events
Network Indicators:
- Not network exploitable - focus on local system monitoring
SIEM Query:
EventID=4688 AND (ProcessName LIKE '%hp%' OR CommandLine LIKE '%HP Client Management%') AND NewProcessName='cmd.exe' OR 'powershell.exe'