Description
Heap-based buffer overflow in Automated Solutions Modbus/TCP Master OPC Server before 3.0.2 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a MODBUS response packet with a crafted length field.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Automated Solutions Modbus/TCP OPC Server - Remote Heap Corruption (PoC) EDB-16040 · dos · Jan 25, 2011 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- ICSA-10-322-02A Automated Solutions OPC Vulnerability CISA ICS & IT advisories · Jun 17, 2025
References
- modbus-modbus-bo(64944) vdb-entry
- 45974 vdb-entry
- VU#768840 third-party-advisory
- ADV-2011-0209 vdb-entry
- 43029 third-party-advisory
- 16040 exploit
- http://automatedsolutions.com/pub/asmbtcpopc/readme.htm
- http://www.us-cert.gov/control_systems/pdf/ICSA-10-322-02A.pdf