CVE-2020-27263

HEAP-BASED BUFFER OVERFLOW CWE-122
The affected products 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.

Read more: Claroty Finds Critical Flaws in OPC Protocol Implementations

Risk Information

  • CVE ID
  • CVE-2020-27263
  • Vendor
  • PTC Kepware
  • Product
  • Kepware KEPServerEX
  • CVSS v3
  • 9.1