CVE-2020-27263: Buffer Overflow
KEPServerEX: v6.0 to v6.9, ThingWorx Kepware Server: v6.8 and v6.9, ThingWorx Industrial Connectivity: All versions, OPC-Aggregator: All versions, Rockwell Automation KEPServer Enterprise, GE Digital Industrial Gateway Server: v7.68.804 and v7.66, Software Toolbox TOP Server: All 6.x versions, are vulnerable to a heap-based buffer overflow. Opening a specifically crafted OPC UA message could allow an attacker to crash the server and potentially leak data.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2020-27263?
The severity of CVE-2020-27263 is critical with a CVSS score of 9.1.
Which software versions are affected by CVE-2020-27263?
CVE-2020-27263 affects KEPServerEX versions 6.0 to 6.9, ThingWorx Kepware Server versions 6.8 and 6.9, ThingWorx Industrial Connectivity (all versions), OPC-Aggregator (all versions), Rockwell Automation KEPServer Enterprise, GE Digital Industrial Gateway Server versions 7.68.804 and 7.66, and Software Toolbox TOP Server versions 6.x.
What is the Common Weakness Enumeration (CWE) ID for CVE-2020-27263?
The Common Weakness Enumeration (CWE) ID for CVE-2020-27263 is CWE-119, CWE-787, and CWE-122.
Where can I find more information about CVE-2020-27263?
You can find more information about CVE-2020-27263 on the US-CERT website at https://us-cert.cisa.gov/ics/advisories/icsa-20-352-02.
How do I mitigate CVE-2020-27263?
To mitigate CVE-2020-27263, it is recommended to update to the latest patched version provided by the respective software vendors.