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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
ZKTeco Inc. ZKTeco ZKTime.Net affected
Version Status Constraints
3.0.1.6 affected —
3.0.1.5 (160622) affected —
3.0.1.1 (160216) affected —

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://cxsecurity.com/issue/WLB-2016080264 cve-icon
https://exchange.xforce.ibmcloud.com/vulnerabilities/116487 cve-icon
https://packetstormsecurity.com/files/138565 cve-icon
https://www.exploit-db.com/exploits/40322/ cve-icon
https://www.vulncheck.com/advisories/zkteco-zktime-net-insecure-file-permissions-privilege-escalation cve-icon
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5360.php cve-icon
History

Sun, 15 Mar 2026 14:00:00 +0000

Type Values Removed Values Added
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.
Title ZKTeco ZKTime.Net 3.0.1.6 Insecure File Permissions Privilege Escalation
Weaknesses CWE-538
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-03-15T13:35:11.360Z

Reserved: 2026-03-15T12:36:03.511Z

Link: CVE-2016-20024

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses