CVE-2025-54215
📋 TL;DR
CVE-2025-54215 is an out-of-bounds write vulnerability in Adobe InCopy that could allow arbitrary code execution when a user opens a malicious file. This affects users of InCopy versions 20.4, 19.5.4 and earlier. Successful exploitation requires user interaction through opening a specially crafted file.
💻 Affected Systems
- Adobe InCopy
📦 What is this software?
Incopy by Adobe
Incopy by Adobe
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with attacker gaining the same privileges as the current user, potentially leading to data theft, ransomware deployment, or persistent backdoor installation.
Likely Case
Local privilege escalation leading to data exfiltration, credential harvesting, or installation of additional malware on the affected system.
If Mitigated
Limited impact with proper application sandboxing and user privilege restrictions, potentially only affecting the InCopy application itself.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file) and knowledge of memory corruption techniques. No public exploits known at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Update to InCopy version 20.5 or later, or 19.5.5 or later for older versions
Vendor Advisory: https://helpx.adobe.com/security/products/incopy/apsb25-80.html
Restart Required: Yes
Instructions:
1. Open Adobe InCopy. 2. Go to Help > Check for Updates. 3. Follow prompts to install available updates. 4. Restart InCopy after installation completes.
🔧 Temporary Workarounds
Restrict file opening
allConfigure application control policies to restrict opening of untrusted InCopy files
User awareness training
allTrain users to avoid opening InCopy files from untrusted sources
🧯 If You Can't Patch
- Implement application whitelisting to block execution of vulnerable InCopy versions
- Deploy endpoint protection with memory corruption exploit prevention capabilities
🔍 How to Verify
Check if Vulnerable:
Check InCopy version via Help > About InCopy. If version is 20.4, 19.5.4 or earlier, system is vulnerable.Check Version:
On Windows: wmic product where name="Adobe InCopy" get version
On macOS: /Applications/Adobe\ InCopy\ CC/Adobe\ InCopy\ CC.app/Contents/MacOS/Adobe\ InCopy\ CC --versionVerify Fix Applied:
Verify version is 20.5 or later, or 19.5.5 or later for older versions after applying updates.📡 Detection & Monitoring
Log Indicators:
- Unexpected InCopy crashes
- Suspicious file opening events in application logs
- Memory access violation errors
Network Indicators:
- Unusual outbound connections from InCopy process
- DNS requests to suspicious domains after file opening
SIEM Query:
process_name:"incopy.exe" AND (event_type:crash OR file_path:*.incx OR file_path:*.incp)