CVE-2020-7561
A CWE-284: Improper Access Control vulnerability exists in Easergy T300 (with firmware 2.7 and...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2020-7561- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-284, CWE-306
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-7561- Weakness
- CWE-284
- Updated
- 2026-11-02
EUVDEUVD-2020-28686 No score
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.
- Record
EUVD-2020-28686- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7vr9-xc65-cx9c
A CWE-284: Improper Access Control vulnerability exists in Easergy T300 (with firmware 2.7 and...
A CWE-284: Improper Access Control 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.
- Record
GHSA-7vr9-xc65-cx9c- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-284, CWE-306
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-7561 is a critical vulnerability (CVSS 9.8) in Schneider-electric Easergy T300 Firmware, published November 19, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.16%, the 88th percentile. No source names a fixed version.