CVE-2022-30670

8.8 HIGH

📋 TL;DR

CVE-2022-30670 is an improper authorization vulnerability in Adobe RoboHelp Server that allows authenticated attackers to escalate privileges to full administrator access. This affects RoboHelp Server versions earlier than RHS 11 Update 3. No user interaction is required for exploitation.

💻 Affected Systems

Products:
  • Adobe RoboHelp Server
Versions: All versions earlier than RHS 11 Update 3
Operating Systems: Windows Server 2016, Windows Server 2019
Default Config Vulnerable: ⚠️ Yes
Notes: Requires authenticated access to the RoboHelp Server interface.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete compromise of RoboHelp Server with full administrative control, allowing data theft, system manipulation, and potential lateral movement to connected systems.

🟠

Likely Case

Unauthorized administrative access leading to data exfiltration, configuration changes, and installation of backdoors or malware.

🟢

If Mitigated

Limited impact if proper network segmentation, least privilege access, and monitoring are implemented, though the vulnerability still exists.

🌐 Internet-Facing: HIGH
🏢 Internal Only: HIGH

🎯 Exploit Status

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

Exploitation requires authenticated access but no special privileges or user interaction.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: RHS 11 Update 3 or later

Vendor Advisory: https://helpx.adobe.com/security/products/robohelp-server/apsb22-31.html

Restart Required: Yes

Instructions:

1. Download RoboHelp Server RHS 11 Update 3 or later from Adobe. 2. Backup current configuration and data. 3. Install the update following Adobe's installation guide. 4. Restart the RoboHelp Server service.

🔧 Temporary Workarounds

Network Access Restriction

all

Restrict network access to RoboHelp Server to only trusted users and systems.

Enhanced Authentication

all

Implement multi-factor authentication for all RoboHelp Server user accounts.

🧯 If You Can't Patch

  • Isolate RoboHelp Server in a segmented network zone with strict firewall rules
  • Implement strict access controls and monitor all authentication and privilege escalation attempts

🔍 How to Verify

Check if Vulnerable:

Check RoboHelp Server version in administration console or installation directory properties.

Check Version:

Check Help > About in RoboHelp Server administration interface

Verify Fix Applied:

Verify version is RHS 11 Update 3 or later and test privilege escalation attempts fail.

📡 Detection & Monitoring

Log Indicators:

  • Unusual privilege escalation events
  • Multiple failed authentication attempts followed by successful admin access
  • Configuration changes from non-admin users

Network Indicators:

  • Unexpected administrative API calls from non-admin accounts
  • Traffic patterns indicating privilege escalation attempts

SIEM Query:

source="robohelp" AND (event_type="privilege_escalation" OR user_role_change="admin")

🔗 References

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