CVE-2021-22827

Name: CVE-2021-22827
Creator: NVD / NIST
Published: 2022-01-28T20:15:10.737+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.20%

Last modified Jun 17, 2026

CVE-2021-22827 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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-2021-22826. EPSS estimates a 1.20% chance of exploitation in the next 30 days.

Description

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-2021-22826. Affected Product: EcoStruxure� Power Monitoring Expert 9.0 and prior versions

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.20%

64.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Schneider-Electric	Ecostruxure Power Monitoring Expert	<= 9.0

References

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-348-03Patch, Vendor Advisory
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-348-03Patch, Vendor Advisory

Timeline

Published: Jan 28, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-22827?

How severe is CVE-2021-22827?

CVE-2021-22827 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.20% probability of exploitation in the next 30 days.

How do I fix CVE-2021-22827?

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-2021-22827?

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

Scan your code now

Source: NVD / NIST