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CVE-2016-20024

9.8 · CRITICAL

ZKTeco ZKTime.Net 3.0.1.6 contains an insecure file permissions vulnerability that allows unprivileged users to escalate privileges by modifying executable files.

Published Mar 16, 2026CWE-538EPSS 0.75%

Overview

CVE-2016-20024 is a critical-severity vulnerability. It was published on March 16, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

ZKTeco ZKTime.Net 3.0.1.6 contains an insecure file permissions vulnerability that allows unprivileged users to escalate privileges by modifying executable files. Attackers can exploit world-writable permissions on the ZKTimeNet3.0 directory and its contents to replace executable files with malicious binaries for privilege escalation.

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

Refcxsecurity.com/issue/WLB-2016080264Refexchange.xforce.ibmcloud.com/vulnerabilities/116487Refpacketstormsecurity.com/files/138565Refwww.exploit-db.com/exploits/40322/Refwww.vulncheck.com/advisories/zkteco-zktime-net-insecure-file-permissions-privilege-escalationRefwww.zeroscience.mk/en/vulnerabilities/ZSL-2016-5360.php

How CyberStrike helps

Frequently asked questions

What is CVE-2016-20024?

CVE-2016-20024 is a critical-severity vulnerability. It was published on March 16, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2016-20024?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2016-20024?

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-2016-20024?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-20024 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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