CVE-2016-5821

Severity: high (CVSS 7.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2016-07-13 · updated 2026-06-17
Weakness: CWE-264

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.

Affected products

HiSuite 4.0.5.300_OVE: through 4.0.3.301

References

http://packetstormsecurity.com/files/137733/Huawei-HiSuite-For-Windows-4.0.3.301-Privilege-Escalation.html
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20160624-01-hisuite-en
http://www.securityfocus.com/archive/1/538797/100/0/threaded
http://www.securityfocus.com/bid/91418
https://labs.bluefrostsecurity.de/advisories/bfs-sa-2016-003/
http://packetstormsecurity.com/files/137733/Huawei-HiSuite-For-Windows-4.0.3.301-Privilege-Escalation.html
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20160624-01-hisuite-en
http://www.securityfocus.com/archive/1/538797/100/0/threaded
http://www.securityfocus.com/bid/91418
https://labs.bluefrostsecurity.de/advisories/bfs-sa-2016-003/

Get alerted when CVE-2016-5821 or the next vulnerability affects your stack