CVE-2020-28221
9.8 · CRITICALOverview
CVE-2020-28221 is a critical-severity vulnerability affecting schneider-electric ecostruxure_operator_terminal_expert. It was published on January 26, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from schneider-electric. Update ecostruxure_operator_terminal_expert to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|
Frequently Asked Questions
What is CVE-2020-28221?
CVE-2020-28221 is a critical-severity vulnerability affecting schneider-electric ecostruxure_operator_terminal_expert. It was published on January 26, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2020-28221?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2020-28221?
Check the references section for vendor advisories and patches from schneider-electric. Update ecostruxure_operator_terminal_expert to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2020-28221?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-28221 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
Related CRITICAL CVEs from 2020
View all →In ApexPro Telemetry Server, Versions 4.2 and prior, CARESCAPE Telemetry Server v4.2 & prior, Clinic
In ApexPro Telemetry Server, Versions 4.2 and prior, CARESCAPE Telemetry Server v4.2 & prior, Clinic
In ApexPro Telemetry Server Versions 4.2 and prior, CARESCAPE Telemetry Server v4.2 & prior, Clinica
In ApexPro Telemetry Server Versions 4.2 and prior, CARESCAPE Telemetry Server v4.2 & prior, Clinica
Missing Authentication for Critical Function in the Bosch Video Streaming Gateway (VSG) allows an un
Deserialization of Untrusted Data in the BVMS Mobile Video Service (BVMS MVS) allows an unauthentica
NaCl in 2015 allowed the CLFLUSH instruction, making rowhammer attacks possible.
A remote code execution vulnerability exists in the way that the Microsoft Server Message Block 3.1.
Apache Commons Configuration uses a third-party library to parse YAML files which by default allows
UltraLog Express device management interface does not properly filter user inputted string in some s
A Use of Hard-coded Credentials vulnerability exists in the NFX250 Series for the vSRX Virtual Netwo
Beaker before 0.8.9 allows a sandbox escape, enabling system access and code execution. This occurs