Is CVE-2020-11999 actively exploited?

No active exploitation of CVE-2020-11999 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-11999 be exploited remotely?

Yes. CVE-2020-11999 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2020-11999?

CVE-2020-11999 has a CVSS score of 8.1 (HIGH).

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HIGH

CVE-2020-11999

CWE-20Published: June 15, 2020· Updated: Jun 17, 2026

8.1

CVSS v3.1

Official Description

FactoryTalk Linx versions 6.00, 6.10, and 6.11, RSLinx Classic v4.11.00 and prior,Connected Components Workbench: Version 12 and prior, ControlFLASH: Version 14 and later, ControlFLASH Plus: Version 1 and later, FactoryTalk Asset Centre: Version 9 and later, FactoryTalk Linx CommDTM: Version 1 and later, Studio 5000 Launcher: Version 31 and later Stud, 5000 Logix Designer software: Version 32 and prior is vulnerable. An exposed API call allows users to provide files to be processed without sanitation. This may allow an attacker to specify a filename to execute unauthorized code and modify files or data.

NVD Source

Technical Analysis

CVE-2020-11999 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), with a CVSS base score of 8.1.