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CRITICAL · 9.8

CVE-2020-28221

A CWE-20: Improper Input Validation vulnerability exists in EcoStruxure™ Operator Terminal Expert and Pro-face BLUE (version details in the notification) that could cause arbitrary code execution when...

Vulnerability Description

A CWE-20: Improper Input Validation vulnerability exists in EcoStruxure™ Operator Terminal Expert and Pro-face BLUE (version details in the notification) that could cause arbitrary code execution when the Ethernet Download feature is enable on the HMI.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Schneider-ElectricEcostruxure Operator Terminal Expert3.1
Schneider-ElectricHmi Sto 501-
Schneider-ElectricHmi Sto 511-
Schneider-ElectricHmi Sto 512-
Schneider-ElectricHmi Sto 531-
Schneider-ElectricHmi Sto 532-
Schneider-ElectricHmig3U-
Schneider-ElectricHmig3X-
Schneider-ElectricHmig5U-
Schneider-ElectricHmig5U2-
Schneider-ElectricHmist6200-
Schneider-ElectricHmist6400-
Schneider-ElectricHmist6500-
Schneider-ElectricHmist6600-
Schneider-ElectricHmist6700-
Schneider-ElectricPro-Face Blue3.1
Schneider-ElectricGp-4104G-
Schneider-ElectricGp-4104W-
Schneider-ElectricGp-4105G-
Schneider-ElectricGp-4105W-

Related Weaknesses (CWE)

CWE-20

References

FAQ

What is CVE-2020-28221?

CVE-2020-28221 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A CWE-20: Improper Input Validation vulnerability exists in EcoStruxure™ Operator Terminal Expert and Pro-face BLUE (version details in the notification) that could cause arbitrary code execution when...

How severe is CVE-2020-28221?

CVE-2020-28221 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2020-28221?

Check the references section above for vendor advisories and patch information. Affected products include: Schneider-Electric Ecostruxure Operator Terminal Expert, Schneider-Electric Hmi Sto 501, Schneider-Electric Hmi Sto 511, Schneider-Electric Hmi Sto 512, Schneider-Electric Hmi Sto 531.