CVE-2021-44462

HIGH

Horner Automation Cscape EnvisionRV < 4.50.3.1 - Memory Corruption via Malicious HMI Project File

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Mitigation, Patch, Third Party Advisory, US Government Resource x_refsource_confirm
https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-02

Scores

CVSS v3 7.8
EPSS 0.0069
EPSS Percentile 48.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-20
Status published
Products (1)
hornerautomation/cscape_envisionrv < 4.50.3.1
Published Mar 25, 2022
Tracked Since Feb 18, 2026