Vulnerability · Published Apr 14, 2022 · Assigned by talos

CVE-2021-40390

Critical 10.0

In plain English

A critical-severity hard-coded credentials in MXView Series from Moxa. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 2.5% (higher than 84% of all known vulnerabilities).

Severity (CVSS 3.0)10.0Critical
Exploit odds (30 days)2.5%top 15.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

An authentication bypass vulnerability exists in the Web Application functionality of Moxa MXView Series 3.2.4. A specially-crafted HTTP request can lead to unauthorized access. An attacker can send an HTTP request to trigger this vulnerability.

Affected products (as reported)

VendorProductVersions
Moxa MXView Series 3.2.4

Weakness: CWE-798 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References