Vulnerability identifier: #VU58311

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-21921

CWE-ID: CWE-89

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
R-SeeNet
Server applications / Other server solutions

Vendor: Advantech Co., Ltd

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 "name_filter" parameter in "user_list" page. A remote attacker can send a specially crafted request to the affected application and gain access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

R-SeeNet: 2.4.15

---

External links
http://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1365icsa-21-348-01

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.