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CVE-2020-28221

CRITICALCVSS 9.8/10EPSS 1.85%

Last modified

CVE-2020-28221 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.85% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
1.85%

76.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Schneider-ElectricEcostruxure Operator Terminal Expert3.1
Schneider-ElectricPro-Face Blue3.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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 the Ethernet Download feature is enable on the HMI.
How severe is CVE-2020-28221?
CVE-2020-28221 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.85% probability of exploitation in the next 30 days.
How do I fix CVE-2020-28221?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-28221?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST