CVE-2020-12005 Denial of service in FactoryTalk Linx, RSLinx Classic, Connected Components Workbench, ControlFLASH Plus, FactoryTalk Asset Centre, FactoryTalk Linx CommDTM, Studio 5000 Launcher, Studio 5000 Logix Designer software
Attackers can cause denial of service by uploading malicious EDS files with bad compression to FactoryTalk Linx and related industrial software.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-12005?
CVE-2020-12005 is a high-severity denial of service vulnerability in FactoryTalk Linx, RSLinx Classic, Connected Components Workbench, ControlFLASH Plus, FactoryTalk Asset Centre, FactoryTalk Linx CommDTM, Studio 5000 Launcher, Studio 5000 Logix Designer software, published on 15 Jun 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Weakness: CWE-434
Which versions are affected by CVE-2020-12005?
It affects 2 products.
Products include Rockwellautomation Factorytalk Linx, Rockwellautomation Rslinx Classic.
How do I fix CVE-2020-12005?
No fix has been published for CVE-2020-12005 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2020-12005 being exploited?
There is no known exploitation of CVE-2020-12005 in the wild and no public exploit code.
Other vulnerabilities in FactoryTalk Linx, RSLinx Classic, Connected Components Workbench, ControlFLASH Plus, FactoryTalk Asset Centre, FactoryTalk Linx CommDTM, Studio 5000 Launcher, Studio 5000 Logix Designer software
- CVE-2020-27251 Memory corruption in FactoryTalk Linx
- CVE-2020-12001 Path traversal in FactoryTalk Linx, RSLinx Classic, Connected Components Workbench, ControlFLASH Plus, FactoryTalk Asset Centre, FactoryTalk Linx CommDTM, Studio 5000 Launcher, Studio 5000 Logix Designer software
- CVE-2025-9067 Rockwell Automation FactoryTalk® Linx Privilege Escalation Vulnerabilities
- CVE-2025-9068 Rockwell Automation FactoryTalk® Linx Privilege Escalation Vulnerabilities
- CVE-2025-7972 Rockwell Automation FactoryTalk® Linx Network Browser Security Bypass Vulnerability
Sources
Also known as GHSA-p9x7-h752-wp55.