CVE-2016-20027: ZKTeco ZKBioSecurity 3.0 Multiple Reflected XSS Vulnerabilities
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
ZKTeco ZKBioSecurityto a version that resolves this vulnerability.Fixed in 3.0 - Compensating control
Since ZKBioSecurity and ZKAccess have been officially discontinued, mitigate exposure by switching from the discontinued software to ZKBio CVSecurity to address the reflected XSS risk.
Event History
Frequently Asked Questions
What is the severity of CVE-2016-20027?
CVE-2016-20027 is considered a medium severity vulnerability due to the potential for reflected cross-site scripting attacks.
How do I fix CVE-2016-20027?
To fix CVE-2016-20027, ensure proper input validation and sanitization of user input in the application scripts to prevent XSS attacks.
What are the potential impacts of CVE-2016-20027?
CVE-2016-20027 allows attackers to execute arbitrary HTML and script code, potentially compromising user sessions and stealing sensitive information.
Which versions of ZKTeco ZKBioSecurity are affected by CVE-2016-20027?
CVE-2016-20027 affects ZKTeco ZKBioSecurity 3.0 and potentially other unpatched versions.
How can I detect if CVE-2016-20027 is being exploited?
You can detect exploitation of CVE-2016-20027 by monitoring for unusual user input or unexpected script execution in application logs.