CVE-2021-22769Network attack vector

File disclosure via incorrectly restricted access

Published Jun 11, 2021 · Updated Jun 29, 2026

Information exposure in Schneider Electric Easergy T300 firmware 2.7.1 and earlier allows remote authenticated users to read files or directories. Public vendor and CVE records do not identify the affected service, path, or access-control operation that incorrectly exposes the content. Network access with low privileges is required, and the documented consequence is limited to disclosure of file or directory content.

CVSS severity4.3
Medium
EPSS probability0.65%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information exposure in Schneider Electric Easergy T300 firmware 2.7.1 and earlier allows remote authenticated users to read files or directories. Public vendor and CVE records do not identify the affected service, path, or access-control operation that incorrectly exposes the content. Network access with low privileges is required, and the documented consequence is limited to disclosure of file or directory content.

The record

CVE
CVE-2021-22769
Published
Jun 11, 2021
Updated
Jun 29, 2026
Vendor
Schneider Electric
Product
Easergy T300
Classifications
CWE-552, T1005
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 11, 2021CVE publishedPublication date reported by the CVE source.
  2. Jun 29, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=Easergy T300 with firmware V2.7.1 and older

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Schneider Electric · Easergy T300version=Easergy T300 with firmware V2.7.1 and older

Published CVSS scores

4.0NIST NVDAV:N/AC:L/Au:S/C:P/I:N/A:N
4.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-552Files or Directories Accessible to External Parties
T1005Data from Local System

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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