What is the severity of ZDI-CAN-11635?

ZDI-CAN-11635 is classified as a high severity vulnerability due to its potential for remote information disclosure without authentication.

How do I fix ZDI-CAN-11635?

To mitigate ZDI-CAN-11635, users should update their Trend Micro OfficeScan installation to the latest patched version released by the vendor.

What type of data is vulnerable in ZDI-CAN-11635?

ZDI-CAN-11635 can lead to the disclosure of sensitive information accessible through the affected web console.

Which versions of Trend Micro OfficeScan are affected by ZDI-CAN-11635?

ZDI-CAN-11635 affects specific versions of Trend Micro OfficeScan that expose the web console without adequate security measures.

Is authentication required to exploit ZDI-CAN-11635?

No, authentication is not required to exploit ZDI-CAN-11635, making it particularly concerning for affected installations.

Vulnerability/
ZDI-CAN-11635

medium

5.3

30/1/2025

ZDI-CAN-11635: Trend Micro OfficeScan Improper Access Control Information Disclosure Vulnerability

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Trend Micro OfficeScan. Authentication is not required to exploit this vulnerability. The specific flaw exists within the web console, which listens on TCP port 4343 by default. The issue results from improper access control. An attacker can leverage this vulnerability to disclose information from the application.

Affected Software	Affected Version	How to fix
Trend Micro OfficeScan XG

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Reference Links

Frequently Asked Questions

What is the severity of ZDI-CAN-11635?
ZDI-CAN-11635 is classified as a high severity vulnerability due to its potential for remote information disclosure without authentication.
How do I fix ZDI-CAN-11635?
To mitigate ZDI-CAN-11635, users should update their Trend Micro OfficeScan installation to the latest patched version released by the vendor.
What type of data is vulnerable in ZDI-CAN-11635?
ZDI-CAN-11635 can lead to the disclosure of sensitive information accessible through the affected web console.
Which versions of Trend Micro OfficeScan are affected by ZDI-CAN-11635?
ZDI-CAN-11635 affects specific versions of Trend Micro OfficeScan that expose the web console without adequate security measures.
Is authentication required to exploit ZDI-CAN-11635?
No, authentication is not required to exploit ZDI-CAN-11635, making it particularly concerning for affected installations.

agent/references
agent/softwarecombine
agent/severity
agent/title
agent/description
agent/type
agent/source
agent/tags
collector/zdi-advisory
source/ZDI
alias/ZDI-21-110
alias/ZDI-CAN-11635
alias/CVE-2021-25235
agent/software-canonical-lookup
agent/software-canonical-lookup-request
agent/event
vendor/trend micro
canonical/trend micro officescan xg

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Frequently Asked Questions

What is the severity of ZDI-CAN-11635?
ZDI-CAN-11635 is classified as a high severity vulnerability due to its potential for remote information disclosure without authentication.
How do I fix ZDI-CAN-11635?
To mitigate ZDI-CAN-11635, users should update their Trend Micro OfficeScan installation to the latest patched version released by the vendor.
What type of data is vulnerable in ZDI-CAN-11635?
ZDI-CAN-11635 can lead to the disclosure of sensitive information accessible through the affected web console.
Which versions of Trend Micro OfficeScan are affected by ZDI-CAN-11635?
ZDI-CAN-11635 affects specific versions of Trend Micro OfficeScan that expose the web console without adequate security measures.
Is authentication required to exploit ZDI-CAN-11635?
No, authentication is not required to exploit ZDI-CAN-11635, making it particularly concerning for affected installations.