Vulnerability identifier: #VU60560

Vulnerability risk: High

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-40390

CWE-ID: CWE-798

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MXview
Client/Desktop applications / Other client software

Vendor: Moxa

Description

The vulnerability allows a remote attacker to gain full access to vulnerable system.

The vulnerability exists due to presence of hard-coded credentials in application code in the Web Application functionality. A remote attacker can send a specially crafted HTTP request and access the affected system using the hard-coded credentials.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MXview: 3.2.4

---

External links
http://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1401

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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