CVE-2020-28215

Name: CVE-2020-28215
Creator: NVD / NIST
Published: 2020-12-11T01:15:11.547+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.24%

Last modified Jun 17, 2026

CVE-2020-28215 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A CWE-862: Missing Authorization vulnerability exists in Easergy T300 (firmware 2.7 and older), that could cause a wide range of problems, including information exposures, denial of service, and arbitrary code execution when access control checks are not applied consistently.. EPSS estimates a 2.24% chance of exploitation in the next 30 days.

Description

A CWE-862: Missing Authorization vulnerability exists in Easergy T300 (firmware 2.7 and older), that could cause a wide range of problems, including information exposures, denial of service, and arbitrary code execution when access control checks are not applied consistently.

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

2.24%

80.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-862

Affected Software

Vendor	Product	Versions
Schneider-Electric	Easergy T300 Firmware	<= 2.7

References

https://us-cert.cisa.gov/ics/advisories/icsa-20-343-03Third Party Advisory
https://www.se.com/ww/en/download/document/SEVD-2020-315-06/Vendor Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-20-343-03Third Party Advisory
https://www.se.com/ww/en/download/document/SEVD-2020-315-06/Vendor Advisory

Timeline

Published: Dec 11, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-28215?

How severe is CVE-2020-28215?

CVE-2020-28215 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.24% probability of exploitation in the next 30 days.

How do I fix CVE-2020-28215?

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-2020-28215?

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

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Source: NVD / NIST