CVE-2016-9155
📋 TL;DR
This vulnerability in Siemens IP cameras allows attackers with network access to the web server to obtain administrative credentials under certain conditions. Affected users include organizations using vulnerable Siemens IP camera models, potentially exposing surveillance systems to unauthorized access.
💻 Affected Systems
- CCMW3025
- CVMW3025-IR
- CFMW3025
- CCPW3025
- CCPW5025
- CCMD3025-DN18
- CCID1445-DN18
- CCID1445-DN28
- CCID1145-DN36
- CFIS1425
- CCIS1425
- CFMS2025
- CCMS2025
- CVMS2025-IR
- CFMW1025
- CCMW1025
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers gain full administrative control of IP cameras, enabling them to disable surveillance, manipulate footage, pivot to internal networks, or use cameras as footholds for further attacks.
Likely Case
Unauthorized access to camera feeds, configuration changes, or disabling of surveillance capabilities.
If Mitigated
Limited impact if cameras are isolated in separate network segments with strict access controls and monitoring.
🎯 Exploit Status
Advisory states 'under certain circumstances' but doesn't specify authentication requirements; CVSS 9.8 suggests network-accessible attack vector.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.41_SP18_S1 for CCMW3025/CVMW3025-IR/CFMW3025; 0.1.73_S1 for CCPW3025/CCPW5025; v1.394_S1 for CCMD3025-DN18; v2635_SP1 for others
Vendor Advisory: https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-284765.pdf
Restart Required: Yes
Instructions:
1. Download firmware update from Siemens support portal. 2. Backup camera configuration. 3. Upload firmware via web interface. 4. Reboot camera. 5. Verify version update.
🔧 Temporary Workarounds
Network segmentation
allIsolate cameras in separate VLAN with strict firewall rules
Access restriction
allRestrict web interface access to trusted IP addresses only
🧯 If You Can't Patch
- Segment cameras in isolated network with no internet access
- Implement strict firewall rules allowing only necessary traffic to/from cameras
🔍 How to Verify
Check if Vulnerable:
Check camera firmware version via web interface and compare against patched versions listed in advisoryCheck Version:
Access camera web interface > System > Information > Firmware VersionVerify Fix Applied:
Confirm firmware version matches or exceeds patched versions; test credential access attempts fail📡 Detection & Monitoring
Log Indicators:
- Multiple failed authentication attempts
- Successful admin logins from unusual IPs
- Configuration changes from unauthorized users
Network Indicators:
- HTTP requests to camera web interfaces from unexpected sources
- Traffic patterns suggesting credential harvesting
SIEM Query:
source_ip IN (camera_ips) AND (event_type='authentication' OR event_type='configuration_change') AND user='admin'🔗 References
- http://www.securityfocus.com/bid/94392
- https://ics-cert.us-cert.gov/advisories/ICSA-16-322-01
- https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-284765.pdf
- http://www.securityfocus.com/bid/94392
- https://ics-cert.us-cert.gov/advisories/ICSA-16-322-01
- https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-284765.pdf
