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TI-2020-05998 Aliases CVE-2020-7475GHSA-3mwf-xhc6-4rgf

Injection in EcoStruxure Control Expert , Unity Pro , Modicon M340 , Modicon M580

Priority MEDIUM 45CWE-74Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'), reflective DLL, vulnerability exists in EcoStruxure Control Expert (all versions prior to 14.1 Hot Fix), Unity Pro (all versions), Modicon M340 (all versions prior to V3.20), Modicon M580 (all versions prior to V3.10), which, if exploited, could allow attackers to transfer malicious code to the controller.

Why it matters now

EPSS 0.01581 75th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—EcoStruxure Control Expert (all versions prior to 14.1 Hot Fix), Unity Pro (all versions), Modicon M340 (all versions prior to V3.20), Modicon M580 (all versions prior to V3.10)EcoStruxure Control Expert (all versions prior to 14.1 Hot Fix), Unity Pro (all versions), Modicon M340 (all versions prior to V3.20), Modicon M580 (all versions prior to V3.10)—No fix listedCNA
  • EcoStruxure Control Expert (all versions prior to 14.1 Hot Fix), Unity Pro (all versions), Modicon M340 (all versions prior to V3.20), Modicon M580 (all versions prior to V3.10) Vendor— Affected EcoStruxure Control Expert (all versions prior to 14.1 Hot Fix), Unity Pro (all versions), Modicon M340 (all versions prior to V3.20), Modicon M580 (all versions prior to V3.10) Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:schneider-electric:ecostruxure_control_expert:*:*:*:*:*:*:*:*up to 14.0VulnerableSchneider Electric
cpe:2.3:a:schneider-electric:unity_pro:*:*:*:*:*:*:*:*all versionsVulnerableSchneider Electric
cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:*before 3.20VulnerableSchneider Electric
cpe:2.3:h:schneider-electric:modicon_m340:-:*:*:*:*:*:*:*not specified by NVDRunning onSchneider Electric
cpe:2.3:o:schneider-electric:modicon_m580_firmware:*:*:*:*:*:*:*:*before 3.10VulnerableSchneider Electric
cpe:2.3:h:schneider-electric:modicon_m580:-:*:*:*:*:*:*:*not specified by NVDRunning onSchneider Electric
  • cpe:2.3:a:schneider-electric:ecostruxure_control_expert:*:*:*:*:*:*:*:* Versions up to 14.0 Vulnerable ·Schneider Electric
  • cpe:2.3:a:schneider-electric:unity_pro:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Schneider Electric
  • cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:* Versions before 3.20 Vulnerable ·Schneider Electric
  • cpe:2.3:h:schneider-electric:modicon_m340:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
  • cpe:2.3:o:schneider-electric:modicon_m580_firmware:*:*:*:*:*:*:*:* Versions before 3.10 Vulnerable ·Schneider Electric
  • cpe:2.3:h:schneider-electric:modicon_m580:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-7475
  2. 2026-10-03 Alias added: GHSA-3mwf-xhc6-4rgf

References

  • TI-2021-05677 Path traversal in Schneider Electric EcoStruxure Control Expert CVSS 3.1HIGH 7.8
  • TI-2022-09848 A heap-based buffer overflow exists in XML Decompression DecodeTreeBlock in AT&T Labs… CVSS 3.1CRITICAL 9.8
  • TI-2021-05659 Authentication bypass by spoofing in EcoStruxure Control Expert , EcoStruxure Control… CVSS 3.1CRITICAL 9.1
  • TI-2020-17142 Missing brute-force protection in PLC Simulator on EcoStruxureª Control Expert CVSS 3.1CRITICAL 9.8
  • TI-2022-22597 Authentication bypass by capture-replay in Schneider Electric EcoStruxure Control Expert CVSS 3.1CRITICAL 9.8
  • TI-2022-22596 Improper check for unusual conditions in Schneider Electric EcoStruxure Control Expert CVSS 3.1CRITICAL 9.8
See all 25 →

Sources