CVE-2016-20096
Linknat VOS3000/VOS2009 2.1.2.0 SQL Injection via login.jsp
Description
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.
INFO
Published Date :
July 21, 2026, 7:17 p.m.
Last Modified :
July 21, 2026, 7:17 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2016-20096
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
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 4.0 | CRITICAL | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | CRITICAL | [email protected] |
Solution
- Update Linknat VOS3000/VOS2009 to a non-vulnerable version.
- Apply vendor-provided security patches.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2016-20096.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2016-20096 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2016-20096
weaknesses.
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-2016-20096 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2016-20096 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Jul. 21, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Kunshi Network Technology Co., Ltd.', 'product': 'Linknat VOS3000', 'versions': [{'status': 'affected', 'version': '2.1.1.5', 'versionType': 'custom'}, {'status': 'affected', 'version': '2.1.1.8', 'versionType': 'custom'}, {'status': 'affected', 'version': '2.1.2.0', 'versionType': 'custom'}], 'defaultStatus': 'affected'}, {'vendor': 'Kunshi Network Technology Co., Ltd.', 'product': 'Linknat VOS2009', 'versions': [{'status': 'affected', 'version': '2.1.1.5', 'versionType': 'custom'}, {'status': 'affected', 'version': '2.1.1.8', 'versionType': 'custom'}, {'status': 'affected', 'version': '2.1.2.0', 'versionType': 'custom'}], 'defaultStatus': 'affected'}] Added Description 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. Added CVSS V4.0 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 Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-89 Added Reference https://packetstorm.news/files/id/137159 Added Reference https://web.archive.org/web/20160601102456/http://www.wooyun.org/bugs/wooyun-2010-0145458 Added Reference https://www.linknat.com/ Added Reference https://www.vulncheck.com/advisories/linknat-vos3000-vos2009-sql-injection-via-login-jsp