Auth bypass in Schneider-Electric Easergy T300
CVE-2020-7561
A CWE-306: Missing Authentication for Critical Function vulnerability exists in Easergy T300 (with firmware 2.7 and older) that could cause a wide range of problems, including information exposure, denial of service, and command execution when access to a resource from an attacker is not restricted or incorrectly restricted.
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: 0.032 (87.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.032 · newest: 0.032 · change: 0.000
Affected products
- Schneider-Electric Easergy T300
- Schneider-Electric Easergy T300 Firmware
- Easergy T300 With Firmware 2.7 And Older — versions Easergy T300 with firmware 2.7 and older
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.se.com/ww/en/download/document/SEVD-2020-315-06/ (Product, Patch, Vendor Advisory)
- us-cert.cisa.gov/ics/advisories/icsa-20-343-03 (US Government Resource, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-7561?
- CVE-2020-7561 is a critical-severity vulnerability in Schneider-Electric Easergy T300, classified under Improper Access Control. CVSS score: 9.8/10. Published 2020-11-19.
- How severe is CVE-2020-7561?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-7561 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.