Auth bypass in Schneider-Electric Easergy T300

CVE-2020-28215

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.

Vulnerability class: Broken Access Control

EPSS: 0.022 (81.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-28215?
CVE-2020-28215 is a critical-severity vulnerability in Schneider-Electric Easergy T300, classified under Missing Authorization. CVSS score: 9.8/10. Published 2020-12-11.
How severe is CVE-2020-28215?
Critical severity. CVSS v3 base score is 9.8 out of 10.