How serious is CVE-2016-20024?

This vulnerability has a CVSS score of 9.3 out of 10, classified as CRITICAL severity. Proof-of-concept exploit code is publicly available, making this an active threat.

Is there exploit code available for CVE-2016-20024?

Yes, proof-of-concept exploit code for CVE-2016-20024 is publicly available on GitHub and security research platforms. This increases the risk of active exploitation.

Which products are affected by CVE-2016-20024?

Check the official CVE details for a complete list of affected products and versions.

How do I fix CVE-2016-20024?

To remediate CVE-2016-20024, check for security patches from the vendor. Apply all available updates and security patches. If no patch is available, implement recommended workarounds or security controls to mitigate the risk.

CVE-2016-20024

Critical

|9.3

Exploit Available

Plain English Summary

AI-powered analysis for quick understanding

This vulnerability allows attackers to gain higher privileges by replacing important program files with their own malicious versions. It occurs because the files are set to be writable by anyone, meaning unprivileged users can modify them without restriction.

Technical 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.

CVSS Vector Analysis

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

Confidentiality ImpactHigh

Integrity ImpactHigh

Availability ImpactHigh

ScopeChanged

Vector String

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Exploit Resources

Search for proof-of-concept code and exploit modules

GitHub Search Exploit-DB Nuclei Templates Metasploit Vulners

Official References

NIST NVD

Est. Bounty

$8,000($5K-$15K)

Vendor Response

Grade APatched in 0 days

Quick Information

Published

Mar 16, 2026

22 days ago

Last Modified

Mar 16, 2026

22 days ago