Vulnerability · Published May 14, 2024 · Assigned by ABB

CVE-2021-22280DLL Hijacking Vulnerability in Automation Studio

High 7.2

In plain English

A high-severity improper input validation in Automation Studio from B&R Industrial Automation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).

Severity (CVSS 3.1)7.2High
Exploit odds (30 days)0.2%top 94.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Improper DLL loading algorithms in B&R Automation Studio versions >=4.0 and <4.12 may allow an authenticated local attacker to execute code in the context of the product.

Affected products (as reported)

VendorProductVersions
B&R Industrial Automation Automation Studio 0 – before 4.12

Weakness: CWE-20 · Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H

References