CVE-2025-11761

7.8 HIGH

📋 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

Products:
  • HP Client Management Script Library
Versions: Specific versions not detailed in advisory; all versions prior to patch are likely affected
Operating Systems: Windows
Default Config Vulnerable: ⚠️ Yes
Notes: Affects systems where HP Client Management Script Library is installed. The vulnerability occurs during installation processes.

📦 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.

🌐 Internet-Facing: LOW - This requires local access to the system, not directly exploitable over the network.
🏢 Internal Only: HIGH - Internal users with standard accounts could exploit this to gain administrative privileges on their workstations.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: LOW

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

windows

Uninstall HP Client Management Script Library if not required

Control Panel > Programs > Uninstall a program > Select HP Client Management Script Library > Uninstall

Restrict installation permissions

windows

Limit 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'

🔗 References

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