CVE-2020-11999

mediumpriority · track · 33EPSS 0.028 · 86 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.80% (86th) EPSS

CVSS 5.5 · medium

Is it mine?

23 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedConnected Components Workbenchcisa_csaf_ot
FactoryTalk Linx/Services patch RAID# 1124820 (Login Required)
https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1124820/
FixedControlFLASHcisa_csaf_ot
FactoryTalk Linx/Services patch RAID# 1124820 (Login Required)
https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1124820/
FixedControlFLASH Pluscisa_csaf_ot
FactoryTalk Linx/Services patch RAID# 1124820 (Login Required)
https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1124820/
FixedFactoryTalk Asset Centrecisa_csaf_ot
FactoryTalk Linx/Services patch RAID# 1124820 (Login Required)
https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1124820/
FixedFactoryTalk Linxcisa_csaf_ot
FactoryTalk Linx/Services patch RAID# 1124820 (Login Required)
https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1124820/
FixedFactoryTalk Linx CommDTMcisa_csaf_ot
FactoryTalk Linx/Services patch RAID# 1124820 (Login Required)
https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1124820/
FixedRSLinx Classiccisa_csaf_ot
FactoryTalk Linx/Services patch RAID# 1124820 (Login Required)
https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1124820/
FixedStudio 5000 Launchercisa_csaf_ot
FactoryTalk Linx/Services patch RAID# 1124820 (Login Required)
https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1124820/
FixedStudio 5000 Logix Designer softwarecisa_csaf_ot
FactoryTalk Linx/Services patch RAID# 1124820 (Login Required)
https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1124820/
MitigationConnected Components Workbenchcisa_csaf_ot
Locate control system networks and devices behind firewalls and isolate them from the business network.
MitigationControlFLASHcisa_csaf_ot
Locate control system networks and devices behind firewalls and isolate them from the business network.
MitigationControlFLASH Pluscisa_csaf_ot
Locate control system networks and devices behind firewalls and isolate them from the business network.
MitigationFactoryTalk Asset Centrecisa_csaf_ot
Locate control system networks and devices behind firewalls and isolate them from the business network.
MitigationFactoryTalk Linxcisa_csaf_ot
Locate control system networks and devices behind firewalls and isolate them from the business network.
MitigationFactoryTalk Linx CommDTMcisa_csaf_ot
Locate control system networks and devices behind firewalls and isolate them from the business network.
MitigationRSLinx Classiccisa_csaf_ot
Locate control system networks and devices behind firewalls and isolate them from the business network.
MitigationStudio 5000 Launchercisa_csaf_ot
Locate control system networks and devices behind firewalls and isolate them from the business network.
MitigationStudio 5000 Logix Designer softwarecisa_csaf_ot
Locate control system networks and devices behind firewalls and isolate them from the business network.

cvss

Technical severity, 0–10. One row per scoring source.

9.6

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 5.5–9.6

v2.05.5mediumAV:N/AC:L/Au:S/C:P/I:P/A:Nprimary · NVD / NIST USexploitability 8 · impact 4.9

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 5.2

v3.09.6criticalCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Nsecondary · CISA US

v3.17.4highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimaryCWE-20US

affected products (23)

Products and version ranges known to be affected.

Connected Components Workbench: Version 12 and priorall versionscisa_csaf_otUS
ControlFLASH Plus: Version 1 and laterall versionscisa_csaf_otUS
ControlFLASH: Version 14 and laterall versionscisa_csaf_otUS
FactoryTalk Asset Centre: Version 9 and laterall versionscisa_csaf_otUS
FactoryTalk Linx CommDTM: Version 1 and laterall versionscisa_csaf_otUS
FactoryTalk Linx: Versions 6.00 6.10 and 6.11all versionscisa_csaf_otUS
RSLinx Classic: v4.11.00 and prior (Versions removed from the scope of this advisory)all versionscisa_csaf_otUS
Studio 5000 Launcher: Version 31 and laterall versionscisa_csaf_otUS
Studio 5000 Logix Designer software: Version 32 and priorall versionscisa_csaf_otUS
Rockwell Automation Connected Components Workbench≤ 12cisa_csaf_otUS
Rockwell Automation ControlFLASH≥ 14cisa_csaf_otUS
Rockwell Automation ControlFLASH Plus≥ 1cisa_csaf_otUS
Rockwell Automation FactoryTalk Asset Centre≥ 9cisa_csaf_otUS
Rockwell Automation FactoryTalk Linxall versionscisa_csaf_otUS
Rockwell Automation FactoryTalk Linx CommDTM≥ 1cisa_csaf_otUS
Rockwell Automation RSLinx Classic≤ 4.11.00 (Versions removed from the scope of this advisory)cisa_csaf_otUS
Rockwell Automation Studio 5000 Launcher≥ 31cisa_csaf_otUS
Rockwell Automation Studio 5000 Logix Designer software≤ 32cisa_csaf_otUS
n/a FactoryTalk Linx, RSLinx Classic, Connected Components Workbench, ControlFLASH Plus, FactoryTalk Asset Centre, FactoryTalk Linx CommDTM, Studio 5000 Launcher, Studio 5000 Logix Designer software≤ 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 priorenisa_euvdEU
rockwellautomation factorytalk linx= 6.00nvdUScpe:2.3:a:rockwellautomation:factorytalk_linx:*:*:*:*:*:*:*:*

showing 20 of 23

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-20-163-02Rockwell Automation FactoryTalk Linx Software (Update A)2020-06-11icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities could allow an attacker to cause a denial-of-service condition, obtain remote code execution, and read sensitive information.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot nvd NVD CVE.org MITRE

published 2020-06-15modified 2026-06-17

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references (6)

External citations — patches, advisories, analysis.

scry

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