Where
-Infinity
0
Severity
7.5
EPSS
0.06%
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

KEPServerEX does not properly validate certificates from clients which may allow unauthenticated users to connect.

Remedy

PTC has released and recommends users to update to the following versions: * KEPServerEX should upgrade to v6.15 or later * ThingWorx Kepware Server should upgrade to v6.15 or later * ThingWorx Industrial Connectivity should upgrade to ThingWorx Kepware Server v6.15 or later * OPC-Aggregator should upgrade to v6.15 or later * ThingWorx Kepware Edge: Upgrade to v1.8 or later Refer to secure configuration guide here https://www.ptc.com/en/support/refdoc/ThingWorx_Kepware_Server/6.15/ThingWorx%20Kepware%20Server%20Secure%20Deployment%20Guide If additional questions remain, please contact PTC Technical Support https://support.ptc.com/apps/case_logger_viewer/cs/auth/ssl/log For more information, see PTC's advisory https://www.ptc.com/en/support/article/CS405439 .
First published (updated )
Severity
9.1
EPSS
0.07%
Buffer Overflow
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

KEPServerEX is vulnerable to a buffer overflow which may allow an attacker to crash the product being accessed or leak information.

Remedy

PTC has released and recommends users to update to the following versions: * KEPServerEX should upgrade to v6.15 or later * ThingWorx Kepware Server should upgrade to v6.15 or later * ThingWorx Industrial Connectivity should upgrade to ThingWorx Kepware Server v6.15 or later * OPC-Aggregator should upgrade to v6.15 or later * ThingWorx Kepware Edge: Upgrade to v1.8 or later Refer to secure configuration guide here https://www.ptc.com/en/support/refdoc/ThingWorx_Kepware_Server/6.15/ThingWorx%20Kepware%20Server%20Secure%20Deployment%20Guide If additional questions remain, please contact PTC Technical Support https://support.ptc.com/apps/case_logger_viewer/cs/auth/ssl/log For more information, see PTC's advisory https://www.ptc.com/en/support/article/CS405439 .
First published (updated )
Severity
9.8
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Kepware KEPServerEX 6.11.718.0. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of text encoding conversions. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-18411.

1 / 2
First published (updated )
Severity
9.1
Buffer Overflow
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Kepware KEPServerEX 6.11.718.0. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of text encoding conversions. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-16486.

1 / 2
First published (updated )
Severity
9.1
Use After Free, Buffer Overflow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

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.

First published (updated )
Severity
9.8
Buffer Overflow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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 stack-based buffer overflow. Opening a specifically crafted OPC UA message could allow an attacker to crash the server and remotely execute code.

First published (updated )
Severity
9.1
Buffer Overflow
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

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.

First published (updated )

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