Vulnerability Description
The Modbus slave/outstation driver in the OPC Drivers 1.0.20 and earlier in IOServer OPC Server allows remote attackers to cause a denial of service (out-of-bounds read and daemon crash) via a crafted packet.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ioserver | Ioserver Opc Server | - |
| Ioserver | Opc Drivers | <= 1.0.20 |
Related Weaknesses (CWE)
References
- http://www.ioserver.com/
- https://www.cisa.gov/news-events/ics-advisories/icsa-14-100-01
- http://ics-cert.us-cert.gov/advisories/ICSA-14-100-01US Government Resource
FAQ
What is CVE-2014-0777?
CVE-2014-0777 is a vulnerability with a CVSS score of 8.3 (HIGH). The Modbus slave/outstation driver in the OPC Drivers 1.0.20 and earlier in IOServer OPC Server allows remote attackers to cause a denial of service (out-of-bounds read and daemon crash) via a crafted...
How severe is CVE-2014-0777?
CVE-2014-0777 has been rated HIGH with a CVSS base score of 8.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2014-0777?
Check the references section above for vendor advisories and patch information. Affected products include: Ioserver Ioserver Opc Server, Ioserver Opc Drivers.