CVE-2022-22796
📋 TL;DR
This authentication bypass vulnerability in SysAid allows attackers to access the system without valid credentials by navigating through specific JSP pages. Organizations using vulnerable versions of SysAid IT service management software are affected.
💻 Affected Systems
- SysAid IT Service Management
📦 What is this software?
Sysaid by Sysaid
Sysaid by Sysaid
⚠️ Risk & Real-World Impact
Worst Case
Complete system takeover with administrative privileges, data exfiltration, ransomware deployment, and lateral movement across the network.
Likely Case
Unauthorized access to sensitive IT service management data, configuration changes, and potential privilege escalation.
If Mitigated
Limited impact with proper network segmentation, monitoring, and authentication controls in place.
🎯 Exploit Status
Simple web navigation exploit requiring no special tools or skills.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 22.3.36 and later
Vendor Advisory: https://www.sysaid.com/blog/entry/sysaid-security-update
Restart Required: Yes
Instructions:
1. Backup current configuration and data. 2. Download and install SysAid version 22.3.36 or later. 3. Restart the SysAid service. 4. Verify authentication is working correctly.
🔧 Temporary Workarounds
Block vulnerable endpoints
allUse web application firewall or reverse proxy to block access to /wmiwizard.jsp, /ConcurrentLogin.jsp, and /home.jsp
# Example for Apache mod_rewrite:
RewriteRule ^/(wmiwizard|ConcurrentLogin|home)\.jsp$ - [F,L]
Restrict network access
linuxLimit SysAid access to trusted IP addresses only
# Example iptables rule:
iptables -A INPUT -p tcp --dport 8080 -s 192.168.1.0/24 -j ACCEPT
iptables -A INPUT -p tcp --dport 8080 -j DROP
🧯 If You Can't Patch
- Implement strict network segmentation to isolate SysAid from critical systems
- Enable detailed logging and monitoring for authentication bypass attempts
🔍 How to Verify
Check if Vulnerable:
Attempt to access /wmiwizard.jsp, then /ConcurrentLogin.jsp, click login, and see if redirected to /home.jsp without authentication.Check Version:
Check SysAid version in administration panel or via /api/v1/system/version endpointVerify Fix Applied:
After patching, attempt the same exploit steps; you should be redirected to login page instead of home.jsp.📡 Detection & Monitoring
Log Indicators:
- Multiple failed login attempts followed by successful access to /home.jsp
- Unusual access patterns to authentication bypass endpoints
Network Indicators:
- HTTP requests to /wmiwizard.jsp and /ConcurrentLogin.jsp in sequence
- Unauthenticated access to /home.jsp
SIEM Query:
source="sysaid" AND (uri="/wmiwizard.jsp" OR uri="/ConcurrentLogin.jsp") AND uri="/home.jsp" AND NOT auth_success="true"