Skip to main content
No exploitation reportedFix available

CVE-2020-12005

No exploitation reported by the sources we read.

  • Published2020-06-15
  • WeaknessCWE-434

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2020-06-1520:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-12005?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-12005?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Rockwellautomation factorytalk linx
BranchAffectedFixed in
6.0= 6.00no fix published
6.10= 6.10no fix published
6.11= 6.11no fix published
Rockwellautomation rslinx classic
BranchAffectedFixed in
4.11≤ 4.11.00no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • ICSA-20-163-02 CISA9 known affected

    Rockwell Automation FactoryTalk Linx Software (Update A)

    RSLinx Classic: v4.11.00 and prior (Versions removed from the scope of this advisory) · FactoryTalk Linx CommDTM: Version 1 and later · Studio 5000 Launcher: Version 31 and later · +6 more

Full record on NVD

Fix

  1. Vendor fix CISA ICSA-20-163-02 · 9 productsFactoryTalk Linx/Services patch RAID# 1124820 (Login Required)
  2. Vendor fix CISA ICSA-20-163-02 · 9 productsFactoryTalk Linx patch RAID# 1126433 (Login Required)
  3. Mitigation from the vendor CISA ICSA-20-163-02 · 9 productsPatch Roll-up for CPR9 SRx (Login Required)
  4. Mitigation from the vendor CISA ICSA-20-163-02 · 9 productsBlock all traffic to EtherNet/IP or other CIP protocol-based devices from outside the manufacturing zone by blocking or restricting access to TCP Ports 2222, 7153, and UDP Port 44818 using proper network infrastructure controls, such as firewalls, UTM devices, or other security appliances. For more…
  5. Mitigation from the vendor CISA ICSA-20-163-02 · 9 productsLocate control system networks and devices behind firewalls and isolate them from the business network.
  6. Mitigation from the vendor CISA ICSA-20-163-02 · 9 productsWhen remote access is required, use secure methods, such as virtual private networks (VPNs), recognizing that VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize that VPN is only as secure as the connected devices.

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • NVDCVSS 3.17.5read 2026-10-23
  • NVDCVSS 2.07.8read 2026-10-23
  • CNAweakness (CWE)CWE-434read 2026-10-23
  • NVDweakness (CWE)CWE-434read 2026-10-23
  • FIRST EPSSEPSS score1.8 %2026-10-23

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2020-06-15
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2020-12005?

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.

Is CVE-2020-12005 actively exploited?

Active exploitation of CVE-2020-12005 has not been confirmed. Its EPSS score was 1.8% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-12005?

CVE-2020-12005 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Hear about the next vulnerability in your software

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this productCISA KEV additions, October 2026Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database