CVE-2016-20025: ZKTeco ZKAccess Professional 3.5.3 Privilege Escalation via Insecure Permissions

Published Mar 15, 2026
·
Updated

ZKTeco ZKAccess Professional 3.5.3 contains an insecure file permissions vulnerability that allows authenticated users to escalate privileges by modifying executable files. Attackers can leverage the Modify permission granted to the Authenticated Users group to replace executable binaries with malicious code for privilege escalation.

Affected Software

1 affected component
ZKTeco ZKAccess Professional

Remediation

Information

The affected software ZKBioSecurity and ZKAccess have been officially discontinued. It is recommended that users switch to using ZKBio CVSecurity software. ZKBio CVSecurity has fixed these vulnerabilities. It is recommended that customers use the latest version of ZKBio CVSecurity to eliminate risks.

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-2016-20025?

CVE-2016-20025 is classified as a medium severity vulnerability due to its potential for privilege escalation.

2

How do I fix CVE-2016-20025?

Fixing CVE-2016-20025 involves reviewing and correcting the file permissions associated with executable files in ZKTeco ZKAccess Professional 3.5.3.

3

Who is affected by CVE-2016-20025?

Authenticated users of ZKTeco ZKAccess Professional 3.5.3 are affected by CVE-2016-20025.

4

What type of vulnerability is CVE-2016-20025?

CVE-2016-20025 is a privilege escalation vulnerability due to insecure file permissions.

5

Can attackers exploit CVE-2016-20025 remotely?

CVE-2016-20025 requires authenticated access, so attackers must first gain legitimate user credentials to exploit the vulnerability.

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