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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.023 (82.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.023 · change: +0.001
Affected products
- Schneider-Electric Easergy T300
- Schneider-Electric Easergy T300 Firmware
- Easergy T300 (Firmware 2.7 And Older) — versions Easergy T300 (firmware 2.7 and older)
Weakness classification (CWE)
References
- www.se.com/ww/en/download/document/SEVD-2020-315-06/ (Vendor Advisory)
- us-cert.cisa.gov/ics/advisories/icsa-20-343-03 (Third Party Advisory)
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.