CVE-2025-25871

8.0 HIGH

📋 TL;DR

A privilege escalation vulnerability in Open Panel v0.3.4 allows remote attackers to gain elevated privileges through the Fix Permissions function. This affects all systems running the vulnerable version of Open Panel. Attackers could potentially gain administrative control over affected systems.

💻 Affected Systems

Products:
  • Open Panel
Versions: v0.3.4
Operating Systems: All supported platforms
Default Config Vulnerable: ⚠️ Yes
Notes: All installations of Open Panel v0.3.4 are vulnerable regardless of configuration.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete system compromise with administrative privileges, allowing data theft, service disruption, and lateral movement within the network.

🟠

Likely Case

Unauthorized administrative access to Open Panel, enabling configuration changes, data access, and potential further exploitation.

🟢

If Mitigated

Limited impact if proper access controls and network segmentation are implemented, though privilege escalation remains possible.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires some understanding of the Fix Permissions function but appears to be documented in security advisories.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: v0.3.5

Vendor Advisory: https://openpanel.com/docs/changelog/0.3.5/#%EF%B8%8F-security-fixes

Restart Required: No

Instructions:

1. Backup current configuration and data. 2. Download Open Panel v0.3.5 from official sources. 3. Replace existing installation with v0.3.5. 4. Verify functionality after upgrade.

🔧 Temporary Workarounds

Disable Fix Permissions Function

all

Temporarily disable the vulnerable Fix Permissions function until patching can be completed.

# Check Open Panel documentation for function disable method

🧯 If You Can't Patch

  • Restrict network access to Open Panel administration interface
  • Implement strict access controls and monitor for privilege escalation attempts

🔍 How to Verify

Check if Vulnerable:

Check Open Panel version via administration interface or configuration files for v0.3.4

Check Version:

# Check Open Panel version in configuration or via admin interface

Verify Fix Applied:

Confirm version is updated to v0.3.5 and test Fix Permissions function for expected behavior

📡 Detection & Monitoring

Log Indicators:

  • Unusual privilege escalation attempts
  • Multiple failed then successful authentication to admin functions
  • Unexpected use of Fix Permissions function

Network Indicators:

  • Unusual administrative access patterns
  • Traffic to Fix Permissions endpoint from unauthorized sources

SIEM Query:

source="openpanel" AND (event="privilege_escalation" OR event="fix_permissions")

🔗 References

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