CVE-2021-44462 Horner Automation Cscape EnvisionRV Improper Input Validation
Attackers can execute arbitrary code or cause denial of service by tricking users into opening malicious HMI project files in Horner Cscape EnvisionRV.
- 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-2021-44462?
CVE-2021-44462 is a high-severity memory corruption vulnerability in Horner Automation Cscape EnvisionRV, published on 25 Mar 2022. 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
This vulnerability can be exploited by parsing maliciously crafted project files with Horner Automation Cscape EnvisionRV v4.50.3.1 and prior. The issues result from the lack of proper validation of user-supplied data, which can result in reads and writes past the end of allocated data structures. User interaction is required to exploit this vulnerability as an attacker must trick a valid user to open a malicious HMI project file.
Weakness: CWE-20
Which versions are affected by CVE-2021-44462?
It affects 1 product.
Products include Hornerautomation Cscape Envisionrv.
How do I fix CVE-2021-44462?
No fix has been published for CVE-2021-44462 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-2021-44462 being exploited?
There is no known exploitation of CVE-2021-44462 in the wild and no public exploit code.
Sources
Also known as GHSA-6fp8-84r4-prgm.