How severe is CVE-2020-28213?

CVE-2020-28213 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-28213 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-28213?

CVE-2020-28213 affects Schneider-electric Ecostruxure Control Expert. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-28213?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-28213 published?

CVE-2020-28213 was published on 2020-11-19 and last updated on 2026-06-17.

CVE-2020-28213

CVE-2020-28213 is a high-severity vulnerability in Schneider-electric Ecostruxure Control Expert with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-494.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-494
Affected product: Schneider-electric Ecostruxure Control Expert
Published: 2020-11-19
Last modified: 2026-06-17

Description

A CWE-494: Download of Code Without Integrity Check vulnerability exists in PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all versions) that could cause unauthorized command execution when sending specially crafted requests over Modbus.

Frequently asked questions

What is CVE-2020-28213?: A CWE-494: Download of Code Without Integrity Check vulnerability exists in PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all versions) that could cause unauthorized command execution when sending specially crafted requests over Modbus.
How severe is CVE-2020-28213?: CVE-2020-28213 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-28213 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-28213?: CVE-2020-28213 affects Schneider-electric Ecostruxure Control Expert. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-28213?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-28213 published?: CVE-2020-28213 was published on 2020-11-19 and last updated on 2026-06-17.

References

https://www.se.com/ww/en/download/document/SEVD-2020-315-07

Affected products (1)

cpe:2.3:a:schneider-electric:ecostruxure_control_expert:*:*:*:*:*:*:*:*

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