Linknat VOS3000 and VOS2009 — CVE-2016-20096 (Critical)

Date Jul 21, 2026

Type Vendor advisory

Signal Critical vendor advisory

Vendor / Product Linknat · VOS3000 and VOS2009

CVE CVE-2016-20096

Critical vendor advisory CVE-2016-20096

Summary

Linknat VOS3000 and VOS2009 through version 2.1.2.0 contain an unauthenticated SQL injection vulnerability that allows remote attackers to execute arbitrary SQL commands by manipulating the name parameter in a POST request to the login endpoint. Attackers can inject malicious SQL through the login form and retrieve injected query results from a subsequent session request, enabling extraction of plaintext credentials and other database content with DBA-level privileges.

Why it matters

This CVE carries a CRITICAL severity rating (CVSS 9.8) in Linknat VOS3000 and VOS2009. Patch or mitigate promptly.

Operator check

Review CVE-2016-20096 in your asset inventory. Apply patches per vendor guidance and verify VOS3000 and VOS2009 is not exposed. CVSS score: 9.8.

Sources

NVD — CVE-2016-20096 Source reference Source reference

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.

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