CVE-2016-20096

CRITICAL

Linknat VOS3000/VOS2009 2.1.2.0 SQL Injection via login.jsp

Title source: cna
STIX 2.1

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.

References (4)

Core 4
Core References
Exploit technical-description exploit
Archived WooYun Disclosure
https://web.archive.org/web/20160601102456/http://www.wooyun.org/bugs/wooyun-2010-0145458
Exploit exploit
Packet Storm Entry (137159)
https://packetstorm.news/files/id/137159
Product product
Vendor Homepage
https://www.linknat.com/

Scores

CVSS v3 9.8
EPSS 0.0038
EPSS Percentile 30.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact total

Details

CWE
CWE-89
Status published
Products (6)
Kunshi Network Technology Co., Ltd./Linknat VOS2009 2.1.1.5
Kunshi Network Technology Co., Ltd./Linknat VOS2009 2.1.1.8
Kunshi Network Technology Co., Ltd./Linknat VOS2009 2.1.2.0
Kunshi Network Technology Co., Ltd./Linknat VOS3000 2.1.1.5
Kunshi Network Technology Co., Ltd./Linknat VOS3000 2.1.1.8
Kunshi Network Technology Co., Ltd./Linknat VOS3000 2.1.2.0
Published Jul 21, 2026
Tracked Since Jul 22, 2026