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Case File

CVE-2020-5802

HIGH · CVSS 7.5 EPSS 38.83%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-12-29 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. Its EPSS score suggests a 38.8% probability of exploitation in the next 30 days.

CVE
CVE-2020-5802
Severity
HIGH
CVSS
7.5
EPSS
38.83%

Original NVD Description

An attacker-controlled memory allocation size can be passed to the C++ new operator in RnaDaSvr.dll by sending a specially crafted ConfigureItems message to TCP port 4241. This will cause an unhandled exception, resulting in termination of RSLinxNG.exe. Observed in FactoryTalk 6.11. All versions of FactoryTalk Linx are affected.

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