CVE-2020-27261 Omron CX-One
A stack-based buffer overflow in Omron CX-One allows remote attackers to execute arbitrary code, posing a critical risk to industrial control systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-27261?
CVE-2020-27261 is a high-severity memory corruption vulnerability in Omron CX-One, published on 9 Feb 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The Omron CX-One Version 4.60 and prior is vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute arbitrary code.
Which versions are affected by CVE-2020-27261?
It affects 4 products.
Products include Omron Cx-One, Omron Cx-Position, Omron Cx-Protocol, Omron Cx-Server.
How do I fix CVE-2020-27261?
No fix has been published for CVE-2020-27261 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-27261 being exploited?
There is no known exploitation of CVE-2020-27261 in the wild and no public exploit code.
Other vulnerabilities in Omron CX-One
Sources
Also known as GHSA-5x49-f55r-f2xh.