How serious is CVE-2016-20027?

This vulnerability has a CVSS score of 5.1 out of 10, classified as MEDIUM severity. Proof-of-concept exploit code is publicly available, making this an active threat.

Is there exploit code available for CVE-2016-20027?

Yes, proof-of-concept exploit code for CVE-2016-20027 is publicly available on GitHub and security research platforms. This increases the risk of active exploitation.

Which products are affected by CVE-2016-20027?

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

How do I fix CVE-2016-20027?

To remediate CVE-2016-20027, 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-2016-20027

Medium

|5.1

Exploit Available

Plain English Summary

AI-powered analysis for quick understanding

This vulnerability allows attackers to run harmful scripts in a user's web browser when they click on a specially crafted link. It requires the attacker to trick the user into visiting that link while using the affected application, which could lead to stealing sensitive information or hijacking the user's session.

Technical Description

ZKTeco ZKBioSecurity 3.0 contains multiple reflected cross-site scripting vulnerabilities that allow attackers to execute arbitrary HTML and script code by injecting malicious payloads through unsanitized parameters in multiple scripts. Attackers can craft malicious URLs with XSS payloads in vulnerable parameters to execute scripts in a user's browser session within the context of the affected application.

CVSS Vector Analysis

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

Confidentiality ImpactHigh

Integrity ImpactHigh

Availability ImpactHigh

ScopeChanged

Vector String

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/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

$690($500-$1K)

Vendor Response

Grade APatched in 0 days

Quick Information

Published

Mar 16, 2026

22 days ago

Last Modified

Mar 16, 2026

22 days ago