Changjetong Information T+ up to 16.x AjaxPro Endpoint Ufida.T.CodeBehind._PriorityLevel deserialization

Summaryinfo

A vulnerability was found in Changjetong Information T+ up to 16.x. It has been classified as critical. The affected element is an unknown function of the file /tplus/ajaxpro/Ufida.T.CodeBehind._PriorityLevel of the component AjaxPro Endpoint. This manipulation causes deserialization. The identification of this vulnerability is CVE-2023-7334. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability classified as critical was found in Changjetong Information T+ up to 16.x. Affected by this vulnerability is an unknown code block of the file /tplus/ajaxpro/Ufida.T.CodeBehind._PriorityLevel of the component AjaxPro Endpoint. The manipulation with an unknown input leads to a deserialization vulnerability. The CWE definition for the vulnerability is CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Changjetong T+ versions up to and including 16.x contain a .NET deserialization vulnerability in an AjaxPro endpoint that can lead to remote code execution. A remote attacker can send a crafted request to /tplus/ajaxpro/Ufida.T.CodeBehind._PriorityLevel,App_Code.ashx?method=GetStoreWarehouseByStore with a malicious JSON body that leverages deserialization of attacker-controlled .NET types to invoke arbitrary methods such as System.Diagnostics.Process.Start. This can result in execution of arbitrary commands in the context of the T+ application service account. Exploitation evidence was observed by the Shadowserver Foundation as early as 2023-08-19 (UTC).

It is possible to read the advisory at chanjetvip.com. This vulnerability is known as CVE-2023-7334 since 01/15/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a exploit are known. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/24/2026).

It is declared as attacked.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-60535). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• Changjetong Information

Name

• T+

Version

• 16.x

CPE 2.3info

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CPE 2.2info

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Be aware that VulDB is the high quality source for vulnerability data.

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