Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Hornerautomation | Cscape Envisionrv | <= 4.50.3.1 |
Related Weaknesses (CWE)
References
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-02MitigationPatchThird Party Advisory
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-02MitigationPatchThird Party Advisory
FAQ
What is CVE-2021-44462?
CVE-2021-44462 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 u...
How severe is CVE-2021-44462?
CVE-2021-44462 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-44462?
Check the references section above for vendor advisories and patch information. Affected products include: Hornerautomation Cscape Envisionrv.