CVE-2025-68722

8.8 HIGH

📋 TL;DR

This CSRF vulnerability in Axigen Mail Server's WebAdmin interface allows attackers to craft malicious URLs that execute administrative actions when clicked by authenticated administrators. The vulnerability automatically processes base64-encoded commands in the _s parameter via GET requests immediately after login. All administrators using vulnerable versions are affected.

💻 Affected Systems

Products:
  • Axigen Mail Server
Versions: Versions before 10.5.57 and 10.6.x before 10.6.26
Operating Systems: All supported platforms
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WebAdmin interface; requires administrator authentication but exploits automatic post-login processing.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete server compromise through creation of rogue administrator accounts, modification of critical configurations, or service disruption.

🟠

Likely Case

Unauthorized administrative account creation leading to persistent access and potential data exfiltration.

🟢

If Mitigated

Limited impact if administrators use separate browser profiles for administrative tasks and avoid clicking untrusted links.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires social engineering to trick administrators into clicking malicious links but has low technical complexity.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 10.5.57 or 10.6.26

Vendor Advisory: https://www.axigen.com/knowledgebase/Axigen-WebAdmin-CSRF-Vulnerability-CVE-2025-68722-_407.html

Restart Required: Yes

Instructions:

1. Download latest version from Axigen website. 2. Backup current configuration. 3. Install update following vendor instructions. 4. Restart Axigen services.

🔧 Temporary Workarounds

Use POST-only administrative interface

all

Configure WebAdmin to reject state-changing GET requests

Browser isolation for administrative tasks

all

Use separate browser profiles or dedicated machines for administrative access

🧯 If You Can't Patch

  • Implement strict access controls limiting WebAdmin access to specific IP addresses
  • Educate administrators to never click links while authenticated to WebAdmin

🔍 How to Verify

Check if Vulnerable:

Check Axigen version via WebAdmin interface or command line: axigen --version

Check Version:

axigen --version

Verify Fix Applied:

Verify version is 10.5.57 or higher, or 10.6.26 or higher

📡 Detection & Monitoring

Log Indicators:

  • Unusual administrative actions from unexpected IP addresses
  • Multiple administrator account creations in short timeframes

Network Indicators:

  • GET requests to WebAdmin with base64-encoded _s parameter
  • Administrative actions without corresponding POST requests

SIEM Query:

source="axigen" AND (url="*_s=*" OR action="create_admin" OR action="modify_config")

🔗 References

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