SQL injection in R-SeeNet - CVE-2021-21935

 

SQL injection in R-SeeNet - CVE-2021-21935

Published: November 23, 2021 / Updated: December 16, 2021


Vulnerability identifier: #VU58324
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-21935
CWE-ID: CWE-89
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Advantech Co., Ltd
Affected software:
R-SeeNet

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data in the "host_alt_filter2" parameter in the "sn_filter" page. A remote authenticated attacker can send a specially crafted request to the affected application and gain access to sensitive information on the system.


How to mitigate CVE-2021-21935

Install updates from vendor's website.

Sources