Skip to content
Fencer Intel
high 8.3

CVE-2020-14523 json

Mitsubishi Electric Factory Automation Products Path Traversal

published 4y ago modified 4mo ago also EUVD-2020-6659

cvss
8.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.3%
EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

Multiple Mitsubishi Electric Factory Automation products have a vulnerability that allows an attacker to execute arbitrary code.

Patch / fix

Is CVE-2020-14523 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-20-212-03 updated cvss 8.3

Mitsubishi Electric Factory Automation Products Path Traversal (Update C)

  • Mitsubishi Electric CW Configurator <= 1.010L Mitsubishi Electric FR Configurator2 <= 1.22Y Mitsubishi Electric GX Works2 <= 1.595V Mitsubishi Electric GX Works3 <= 1.063R Mitsubishi Electric MELSEC iQ-R Series Motion Module <= 10 Mitsubishi Electric MELSOFT iQ AppPortal <= 1.17T
    +6 more products
    Mitsubishi Electric MELSOFT Navigator <= 2.70Y Mitsubishi Electric MI Configurator versions <= 1.004E Mitsubishi Electric MR Configurator2 Version <= 1.110Q Mitsubishi Electric MT Works2 Versions <= 1.156N Mitsubishi Electric MX Component Version <= 4.20W Mitsubishi Electric RT ToolBox3 Versions <= 1.70Y
    affected: mitigation “CW Configurator: Version 1.011M or later” mitsubishielectric.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
last yr.

Exploit prediction

2.25% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 8.3 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Mitsubishi Electric CW Configurator
  • Mitsubishi Electric FR Configurator2
  • Mitsubishi Electric GX Works2
  • Mitsubishi Electric GX Works3
  • Mitsubishi Electric MELSOFT iQ AppPortal
  • Mitsubishi Electric MELSOFT Navigator
  • Mitsubishi Electric MI Configurator
  • Mitsubishi Electric MR Configurator2
  • Mitsubishi Electric MT Works2
  • Mitsubishi Electric MX Component
  • Mitsubishi Electric RT ToolBox3
  • Mitsubishi Electric MELSEC iQ-R Series Motion Module

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.