CVE-2022-1815
📋 TL;DR
CVE-2022-1815 is an information disclosure vulnerability in draw.io diagramming software that exposes sensitive information to unauthorized actors. The vulnerability allows attackers to access sensitive data that should be protected. This affects all users of draw.io versions prior to 18.1.2.
💻 Affected Systems
- draw.io (diagrams.net)
📦 What is this software?
Drawio by Diagrams
⚠️ Risk & Real-World Impact
Worst Case
Attackers could access sensitive diagram content, configuration data, or user information that should be protected, potentially leading to data breaches or intellectual property theft.
Likely Case
Unauthorized access to sensitive diagram data or configuration information that users expect to remain private.
If Mitigated
Minimal impact with proper access controls and network segmentation limiting exposure.
🎯 Exploit Status
The vulnerability appears to be an information exposure issue that could be exploited without authentication based on the CWE-200 classification and CVSS score.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 18.1.2 and later
Vendor Advisory: https://github.com/jgraph/drawio/commit/c287bef9101d024b1fd59d55ecd530f25000f9d8
Restart Required: Yes
Instructions:
1. Update draw.io to version 18.1.2 or later. 2. For web deployments: update the application files. 3. For desktop applications: download and install the latest version. 4. For embedded integrations: update the draw.io library to the patched version.
🔧 Temporary Workarounds
Access Restriction
allRestrict network access to draw.io instances to authorized users only
Sensitive Data Isolation
allEnsure sensitive diagrams and data are not stored in vulnerable draw.io instances
🧯 If You Can't Patch
- Implement strict network access controls to limit who can access draw.io instances
- Monitor for unusual access patterns or data exfiltration attempts
🔍 How to Verify
Check if Vulnerable:
Check draw.io version. If version is below 18.1.2, the system is vulnerable.Check Version:
In draw.io web app: Help → About. Desktop: Help → About draw.io. Command line varies by deployment.Verify Fix Applied:
Confirm draw.io version is 18.1.2 or higher and test that sensitive information is properly protected.📡 Detection & Monitoring
Log Indicators:
- Unusual access patterns to draw.io endpoints
- Requests attempting to access protected resources
Network Indicators:
- Unexpected data transfers from draw.io servers
- Unauthorized access attempts
SIEM Query:
source="drawio" AND (status=200 OR status=403) AND (uri CONTAINS "/api/" OR uri CONTAINS "/data/")