CVE-2016-20024
CRITICALDescription
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.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
Moderate risk: more likely to be exploited than 50% of all known CVEs.
References
- https://cxsecurity.com/issue/WLB-2016080264
- https://exchange.xforce.ibmcloud.com/vulnerabilities/116487
- https://packetstormsecurity.com/files/138565
- https://www.exploit-db.com/exploits/40322/
- https://www.vulncheck.com/advisories/zkteco-zktime-net-insecure-file-permissions-privilege-escalation
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5360.php
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-08.