Vulnerability Monitor

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CVE-2020-27267

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, and 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.

Published

2021-01-14T00:15:13.510

Last Modified

2024-11-21T05:20:58.280

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.1 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

4.9

Weaknesses
  • Type: Secondary
    CWE-416
  • Type: Primary
    CWE-787
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application ge industrial_gateway_server 7.66 Yes
Application ge industrial_gateway_server 7.68.804 Yes
Application ptc kepware_kepserverex 6.0 Yes
Application ptc kepware_kepserverex 6.9 Yes
Application ptc opc-aggregator - Yes
Application ptc thingworx_industrial_connectivity - Yes
Application ptc thingworx_kepware_server 6.8 Yes
Application ptc thingworx_kepware_server 6.9 Yes
Application rockwellautomation kepserver_enterprise 6.6.504.0 Yes
Application rockwellautomation kepserver_enterprise 6.9.572.0 Yes
Application softwaretoolbox top_server ≤ 6.9 Yes
References