What is the severity of ZDI-CAN-18411?

ZDI-CAN-18411 has been classified as a critical vulnerability due to its potential for remote code execution without authentication.

How do I fix ZDI-CAN-18411?

To fix ZDI-CAN-18411, update your Kepware KEPServerEX installation to the latest version provided by the vendor.

Who is affected by ZDI-CAN-18411?

Organizations using affected versions of Kepware KEPServerEX are vulnerable to ZDI-CAN-18411.

What type of vulnerability is ZDI-CAN-18411?

ZDI-CAN-18411 is a remote code execution vulnerability associated with improper handling of text encoding conversions.

Is authentication required to exploit ZDI-CAN-18411?

No, authentication is not required to exploit ZDI-CAN-18411, making it particularly dangerous.

Vulnerability/
ZDI-CAN-18411

critical

9.8

20/1/2025

ZDI-CAN-18411: (Pwn2Own) Kepware KEPServerEX Stack-based Buffer Overflow Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Kepware KEPServerEX. 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.

Affected Software	Affected Version	How to fix
PTC KEPServerEX

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Reference Links

Frequently Asked Questions

What is the severity of ZDI-CAN-18411?
ZDI-CAN-18411 has been classified as a critical vulnerability due to its potential for remote code execution without authentication.
How do I fix ZDI-CAN-18411?
To fix ZDI-CAN-18411, update your Kepware KEPServerEX installation to the latest version provided by the vendor.
Who is affected by ZDI-CAN-18411?
Organizations using affected versions of Kepware KEPServerEX are vulnerable to ZDI-CAN-18411.
What type of vulnerability is ZDI-CAN-18411?
ZDI-CAN-18411 is a remote code execution vulnerability associated with improper handling of text encoding conversions.
Is authentication required to exploit ZDI-CAN-18411?
No, authentication is not required to exploit ZDI-CAN-18411, making it particularly dangerous.

agent/references
agent/softwarecombine
agent/severity
agent/title
agent/type
agent/description
agent/event
agent/source
agent/tags
collector/zdi-advisory
source/ZDI
alias/ZDI-22-1455
alias/ZDI-CAN-18411
alias/CVE-2022-2825
agent/software-canonical-lookup
agent/software-canonical-lookup-request
vendor/kepware
canonical/ptc kepserverex

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Frequently Asked Questions

What is the severity of ZDI-CAN-18411?
ZDI-CAN-18411 has been classified as a critical vulnerability due to its potential for remote code execution without authentication.
How do I fix ZDI-CAN-18411?
To fix ZDI-CAN-18411, update your Kepware KEPServerEX installation to the latest version provided by the vendor.
Who is affected by ZDI-CAN-18411?
Organizations using affected versions of Kepware KEPServerEX are vulnerable to ZDI-CAN-18411.
What type of vulnerability is ZDI-CAN-18411?
ZDI-CAN-18411 is a remote code execution vulnerability associated with improper handling of text encoding conversions.
Is authentication required to exploit ZDI-CAN-18411?
No, authentication is not required to exploit ZDI-CAN-18411, making it particularly dangerous.