9.8
CRITICAL CVSS 3.1
CVE-2016-20024
ZKTeco ZKTime.Net 3.0.1.6 Insecure File Permissions Privilege Escalation
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.

INFO

Published Date :

March 15, 2026, 1:35 p.m.

Last Modified :

March 15, 2026, 1:35 p.m.

Remotely Exploit :

Yes !

Source :

VulnCheck
Affected Products

The following products are affected by CVE-2016-20024 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 CRITICAL 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 CRITICAL 83251b91-4cc7-4094-a5c7-464a1b83ea10
Solution
Restrict write permissions on the ZKTimeNet3.0 directory and its contents.
  • Remove world-writable permissions from the ZKTimeNet3.0 directory.
  • Remove world-writable permissions from files within the ZKTimeNet3.0 directory.
  • Ensure executable files are owned by trusted users.
  • Monitor directory and file integrity.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2016-20024 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.