A vulnerability was found in Zhong Bang CRMEB up to 4.6.0 and classified as critical. This issue affects some unknown processing of the file /api/wechat/app_auth of the component Image Upload. The manipulation leads to deserialization. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-231503. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.