Vulnerability record · CVE-2021-22826 · published 28 January 2022

CVE-2021-22826: Schneider-electric ecostruxure power monitoring expert improper input validation vulnerability

Schneider Electric · Ecostruxure Power Monitoring Expert

A CWE-20: Improper Input Validation vulnerability exists that could cause arbitrary code execution when the user visits a page containing the injected payload. This CVE is unique from CVE-2021-22827. Affected Product: EcoStruxure� Power Monitoring Expert 9.0 and prior versions

8.8 CVSS 3.1 High EPSS 1.2% · top 33.0% CWE-20 · Improper input validation

8.8CVSS 3.1 base score, v2 6.8

1.2%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

2References

17 Jun 2026Last modified by NVD

Description

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Ecostruxure Power Monitoring Expert Schneider Electric

References

Link	Tags
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-348-03	PatchVendor Advisory
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-348-03	PatchVendor Advisory

Track CVE-2021-22826 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-5391Schneider-electric ecostruxure power monitoring expert deserialization of untrusted data vulnerabilityA CWE-502: Deserialization of untrusted data vulnerability exists that could allow an attacker to execute arbitrary code on the targeted system by se…EPSS 0.84%4 Oct 2023 8.8CVE-2023-28003Schneider-electric ecostruxure power monitoring expert insufficient session expiration vulnerabilityA CWE-613: Insufficient Session Expiration vulnerability exists that could allow an attacker to maintain unauthorized access over a hijacked session …EPSS 0.32%18 Apr 2023 8.8CVE-2022-22727Schneider-electric ecostruxure power monitoring expert improper input validation vulnerabilityA CWE-20: Improper Input Validation vulnerability exists that could allow an unauthenticated attacker to view data, change settings, impact availabil…EPSS 1.2%4 Feb 2022 8.8CVE-2021-22827Schneider-electric ecostruxure power monitoring expert improper input validation vulnerabilityA CWE-20: Improper Input Validation vulnerability exists that could cause arbitrary code execution when the user visits a page containing the injecte…EPSS 1.2%28 Jan 2022 8.8CVE-2020-7547Schneider-electric ecostruxure energy expert improper access control vulnerabilityA CWE-284: Improper Access Control vulnerability exists in EcoStruxureª and SmartStruxureª Power Monitoring and SCADA Software (see security notifica…EPSS 1.3%1 Dec 2020 8.5CVE-2025-11739Schneider-electric ecostruxure power monitoring expert deserialization of untrusted data vulnerabilityCWE‑502: Deserialization of Untrusted Data vulnerability exists that could cause arbitrary code execution with administrative privileges when a local…EPSS 0.19%10 Mar 2026 7.2CVE-2020-7545Schneider-electric ecostruxure energy expert improper access control vulnerabilityA CWE-284:Improper Access Control vulnerability exists in EcoStruxureª and SmartStruxureª Power Monitoring and SCADA Software (see security notificat…EPSS 2.1%1 Dec 2020 6.5CVE-2022-22726Schneider-electric ecostruxure power monitoring expert improper input validation vulnerabilityA CWE-20: Improper Input Validation vulnerability exists that could allow arbitrary files on the server to be read by authenticated users through a l…EPSS 0.77%4 Feb 2022

Source: NIST National Vulnerability Database (record CVE-2021-22826), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.