Is CVE-2023-0621 actively exploited?

No active exploitation of CVE-2023-0621 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-0621 be exploited remotely?

No. CVE-2023-0621 requires local access to exploit.

What is the CVSS score of CVE-2023-0621?

CVE-2023-0621 has a CVSS score of 7.8 (HIGH).

HOME VULNERABILITIESCVE-2023-0621

HIGH

CVE-2023-0621

CWE-125Published: March 9, 2023· Updated: Jun 17, 2026

7.8

CVSS v3.1

Official Description

Cscape Envision RV version 4.60 is vulnerable to an out-of-bounds read vulnerability when parsing project (i.e. HMI) files. The product lacks proper validation of user-supplied data, which could result in reads past the end of allocated data structures. An attacker could leverage these vulnerabilities to execute arbitrary code in the context of the current process.

NVD Source

Technical Analysis

CVE-2023-0621 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.