### [CVE-2016-5821](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5821) ![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen) ### Description Huawei HiSuite before 4.0.4.204_ove (Out of China) and before 4.0.4.301 (China) use a weak ACL (FILE_WRITE_DATA for BUILTIN\Users) for the HiSuite service directory, which allows local users to gain SYSTEM privileges via a Trojan horse (1) SspiCli.dll or (2) USERENV.dll file or possibly other unspecified DLL files. ### POC #### Reference - http://packetstormsecurity.com/files/137733/Huawei-HiSuite-For-Windows-4.0.3.301-Privilege-Escalation.html #### Github No PoCs found on GitHub currently.