HOMEVULNERABILITIESCVE-2020-12005
HIGH

CVE-2020-12005

CWE-434Published: June 15, 2020· Updated: Jun 17, 2026

7.5
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. A vulnerability exists in the communication function that enables users to upload EDS files by FactoryTalk Linx. This may allow an attacker to upload a file with bad compression, consuming all the available CPU resources, leading to a denial-of-service condition.

NVD Source

Technical Analysis

CVE-2020-12005 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

rockwellautomation2 product(s)
factorytalk linxrslinx classic
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (2)

https://www.us-cert.gov/ics/advisories/icsa-20-163-02Third Party Advisory · US Government Resource
https://www.us-cert.gov/ics/advisories/icsa-20-163-02Third Party Advisory · US Government Resource

Quick Facts

CVE IDCVE-2020-12005
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-434
CISA KEVNo
Affected1 vendor(s)
PublishedJun 15, 2020

Related CVEs (CWE-434)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2020-12005 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.