Is CVE-2020-12038 actively exploited?

No active exploitation of CVE-2020-12038 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-12038 be exploited remotely?

No. CVE-2020-12038 requires local access to exploit.

What is the CVSS score of CVE-2020-12038?

CVE-2020-12038 has a CVSS score of 5.5 (MEDIUM).

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MEDIUM

CVE-2020-12038

CWE-119Published: May 19, 2020· Updated: Jun 17, 2026

5.5

CVSS v3.1

Official Description

Products that use EDS Subsystem: Version 28.0.1 and prior (FactoryTalk Linx software (Previously called RSLinx Enterprise): Versions 6.00, 6.10, and 6.11, RSLinx Classic: Version 4.11.00 and prior, RSNetWorx software: Version 28.00.00 and prior, Studio 5000 Logix Designer software: Version 32 and prior) is vulnerable. A memory corruption vulnerability exists in the algorithm that matches square brackets in the EDS subsystem. This may allow an attacker to craft specialized EDS files to crash the EDSParser COM object, leading to denial-of-service conditions.

NVD Source

Technical Analysis

CVE-2020-12038 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 availability disruption (denial of service), with a CVSS base score of 5.5.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.