CVE-2020-7561

Name: CVE-2020-7561
Creator: NVD / NIST
Published: 2020-11-19T22:15:14.88+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 3.03%

Last modified Jun 17, 2026

CVE-2020-7561 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 3.03% chance of exploitation in the next 30 days.

Description

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.

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

3.03%

85.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

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

Timeline

Published: Nov 19, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-7561?

How severe is CVE-2020-7561?

CVE-2020-7561 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.03% probability of exploitation in the next 30 days.

How do I fix CVE-2020-7561?

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-2020-7561?

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

Scan your code now

Source: NVD / NIST