ATTENTION: Remotely exploitable/low skill level to exploit
Vendor: Hanwha Techwin
Vulnerability: Unauthenticated Access
The following versions of SRN-4000, a network video management platform, are affected:
Successful exploitation of this vulnerability could allow the attacker remote access to the web management portal with admin privileges without authentication.
Hanwha Techwin recommends that users update to firmware Version SRN4000_v2.16_170401.zip or newer.
The latest firmware version can be obtained from the following location:
(Products > Video Recorders > SRN-4000 > Download > Firmware)
NCCIC/ICS-CERT recommends that users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should:
ICS-CERT reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
ICS-CERT also provides a section for control systems security recommended practices on the ICS-CERT web page. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
Additional mitigation guidance and recommended practices are publicly available in the ICS‑CERT Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies, that is available for download from the ICS-CERT web site.
Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to ICS-CERT for tracking and correlation against other incidents.
No known public exploits specifically target this vulnerability.
A specially crafted http request and response could allow an attacker to gain access to the device management page with admin privileges without proper authentication.
Can Demirel and Faruk Unal of Biznet Bilisim discovered the vulnerability and have tested the patch.
Critical Infrastructure Sectors: Commercial Facilities, Critical Manufacturing, Energy, Water and Wastewater Systems.
Countries/Areas Deployed: Worldwide
Company Headquarters Location: Seoul, South Korea
For any questions related to this report, please contact the CISA at:
Toll Free: 1-888-282-0870
For industrial control systems cybersecurity information: https://www.us-cert.gov/ics
or incident reporting: https://www.us-cert.gov/report
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