CVE-2021-22770
A CWE-200: Information Exposure vulnerability exists in Easergy T300 with firmware V2.7.1 and...
A CWE-200: Information Exposure vulnerability exists in Easergy T300 with firmware V2.7.1 and older that exposes sensitive information to an actor not explicitly authorized to have access to that information.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
A CWE-200: Information Exposure vulnerability exists in Easergy T300 with firmware V2.7.1 and older that exposes sensitive information to an actor not explicitly authorized to have access to that information.
- Record
CVE-2021-22770- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:P/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
CVE List No score
A CWE-200: Information Exposure vulnerability exists in Easergy T300 with firmware V2.7.1 and older that exposes sensitive information to an actor not explicitly authorized to have access to that information.
- Record
CVE-2021-22770- Weakness
- CWE-200
- Updated
- 2026-11-02
EUVDEUVD-2021-9905 No score
A CWE-200: Information Exposure vulnerability exists in Easergy T300 with firmware V2.7.1 and older that exposes sensitive information to an actor not explicitly authorized to have access to that information.
- Record
EUVD-2021-9905- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4m22-cx4p-j3jq No score
A CWE-200: Information Exposure vulnerability exists in Easergy T300 with firmware V2.7.1 and...
A CWE-200: Information Exposure vulnerability exists in Easergy T300 with firmware V2.7.1 and older that exposes sensitive information to an actor not explicitly authorized to have access to that information.
- Record
GHSA-4m22-cx4p-j3jq- Weakness
- CWE-200
- 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-2021-22770 is a medium vulnerability (CVSS 6.5) in Schneider-electric Easergy T300 Firmware, published July 21, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.05%, the 64th percentile. No source names a fixed version.