CVE-2016-20024

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 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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

Configurations

No configuration.

History

15 Apr 2026, 14:56

Type	Values Removed	Values Added
Summary		(es) ZKTeco ZKTime.Net 3.0.1.6 contiene una vulnerabilidad de permisos de archivo inseguros que permite a usuarios sin privilegios realizar una escalada de privilegios mediante la modificación de archivos ejecutables. Los atacantes pueden explotar los permisos de escritura global (world-writable) en el directorio ZKTimeNet3.0 y su contenido para reemplazar archivos ejecutables con binarios maliciosos para la escalada de privilegios.

16 Mar 2026, 14:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-03-16 14:17

Updated : 2026-04-15 14:56

NVD link : CVE-2016-20024

Mitre link : CVE-2016-20024

CVE.ORG link : CVE-2016-20024

JSON object : View

Products Affected

No product.

CWE

CWE-538

Insertion of Sensitive Information into Externally-Accessible File or Directory

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