CVE-2016-20024: ZKTeco ZKTime.Net 3.0.1.6 Insecure File Permissions Privilege Escalation

Published Mar 15, 2026
·
Updated

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.

Affected Software

1 affected component
ZKTeco ZKTime.Net

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ZKTeco ZKTime.Net to a version that resolves this vulnerability.

    Fixed in 3.0.1.6

Event History

Mar 15, 2026
CVE Published
via MITRE·01:35 PM
Data Sourced
via MITRE·01:35 PM
RemedyDescriptionSeverityWeakness
Mar 16, 2026
Data Sourced
via NVD·02:17 PM
DescriptionSeverityWeakness
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2016-20024?

CVE-2016-20024 is classified as a privilege escalation vulnerability due to insecure file permissions.

2

How do I fix CVE-2016-20024?

To fix CVE-2016-20024, ensure that file permissions for executable files in ZKTime.Net are properly restricted to prevent unauthorized modifications.

3

What systems are affected by CVE-2016-20024?

CVE-2016-20024 affects ZKTeco ZKTime.Net version 3.0.1.6.

4

Who can exploit CVE-2016-20024?

Unprivileged users can exploit CVE-2016-20024 to escalate their privileges by modifying the executable files.

5

What type of vulnerability is CVE-2016-20024?

CVE-2016-20024 is a privilege escalation vulnerability caused by insecure file permissions.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203