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CVE-2016-5821

7.8 · HIGH

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 gai…

Published Jul 13, 2016CWE-264EPSS 0.34%

Overview

CVE-2016-5821 is a high-severity vulnerability. It was published on July 13, 2016 and has a CVSS 3.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refpacketstormsecurity.com/files/137733/Huawei-HiSuite-For-Windows-4.0.3.301-Privilege-Escalation.htmlRefwww.huawei.com/en/psirt/security-advisories/huawei-sa-20160624-01-hisuite-enRefwww.securityfocus.com/archive/1/538797/100/0/threadedRefwww.securityfocus.com/bid/91418Reflabs.bluefrostsecurity.de/advisories/bfs-sa-2016-003/Refpacketstormsecurity.com/files/137733/Huawei-HiSuite-For-Windows-4.0.3.301-Privilege-Escalation.htmlRefwww.huawei.com/en/psirt/security-advisories/huawei-sa-20160624-01-hisuite-enRefwww.securityfocus.com/archive/1/538797/100/0/threadedRefwww.securityfocus.com/bid/91418Reflabs.bluefrostsecurity.de/advisories/bfs-sa-2016-003/

How CyberStrike helps

Frequently asked questions

What is CVE-2016-5821?

CVE-2016-5821 is a high-severity vulnerability. It was published on July 13, 2016 and has a CVSS 3.0 base score of 7.8 (HIGH).

How severe is CVE-2016-5821?

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2016-5821?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2016-5821?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-5821 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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