CVE-2021-22281 Zip Slip Vulnerability in B&R Automation Studio Project Import
Attackers can exploit a Zip Slip vulnerability in B&R Automation Studio to write files outside the intended directory during project import.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-22281?
CVE-2021-22281 is a medium-severity path traversal vulnerability in B&R Industrial Automation Automation Studio, published on 2 Feb 2024. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
: Relative Path Traversal vulnerability in B&R Industrial Automation Automation Studio allows Relative Path Traversal.This issue affects Automation Studio: from 4.0 through 4.12.
Which versions are affected by CVE-2021-22281?
It affects 1 product.
Products include Br-Automation Automation Studio.
How do I fix CVE-2021-22281?
No fix has been published for CVE-2021-22281 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2021-22281 being exploited?
There is no known exploitation of CVE-2021-22281 in the wild and no public exploit code.
Other vulnerabilities in B&R Industrial Automation Automation Studio
- CVE-2024-0220 B&R products use insufficient communication encryption
- CVE-2021-22282 RCE in B&R Automation Studio with crafted project files
- CVE-2020-24681 Automation Studio and PVI Multiple incorrect permission assignments for services
- CVE-2019-19100 Privilege escalation via B&R Automation Studio upgrade service
- CVE-2021-22280 DLL Hijacking Vulnerability in Automation Studio
Sources
Also known as GHSA-p434-7834-2w5x.