Remote code execution in Horner Automation Cscape EnvisionRV



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-44462
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Cscape EnvisionRV
Server applications / Remote access servers, VPN

Vendor Horner Automation

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Input validation error

EUVDB-ID: #VU59153

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-44462

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can trick a victim to open a specially crafted HMI project file and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cscape EnvisionRV: 4.50.3.1

CPE2.3 External links

https://ics-cert.us-cert.gov/advisories/icsa-21-355-02


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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