CVE-2021-22819

Name: CVE-2021-22819
Creator: NVD / NIST
Published: 2022-01-28T20:15:10.407+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.65%

Last modified Jun 17, 2026

CVE-2021-22819 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. A CWE-1021 Improper Restriction of Rendered UI Layers or Frames vulnerability exists that could cause unintended modifications of the product settings or user accounts when deceiving the user to use the web interface rendered within iframes. Affected Products: EVlink City EVC1S22P4 / EVC1S7P4 (All versions prior to R8 V3.4.0.2 ), EVlink Parking EVW2 / EVF2 / EVP2PE (All versions prior to R8 V3.4.0.2), and EVlink Smart Wallbox EVB1A (All versions prior to R8 V3.4.0.2). EPSS estimates a 0.65% chance of exploitation in the next 30 days.

Description

A CWE-1021 Improper Restriction of Rendered UI Layers or Frames vulnerability exists that could cause unintended modifications of the product settings or user accounts when deceiving the user to use the web interface rendered within iframes. Affected Products: EVlink City EVC1S22P4 / EVC1S7P4 (All versions prior to R8 V3.4.0.2 ), EVlink Parking EVW2 / EVF2 / EVP2PE (All versions prior to R8 V3.4.0.2), and EVlink Smart Wallbox EVB1A (All versions prior to R8 V3.4.0.2)

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

0.65%

46.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1021

Affected Software

Vendor	Product	Versions
Schneider-Electric	Evlink City Evc1s22p4 Firmware	< 3.4.0.2
Schneider-Electric	Evlink City Evc1s7p4 Firmware	< 3.4.0.2
Schneider-Electric	Evlink Parking Evw2 Firmware	< 3.4.0.2
Schneider-Electric	Evlink Parking Evf2 Firmware	< 3.4.0.2
Schneider-Electric	Evlink Parking Evp2pe Firmware	< 3.4.0.2
Schneider-Electric	Evlink Smart Wallbox Evb1a Firmware	< 3.4.0.2

References

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-348-02Patch, Vendor Advisory
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-348-02Patch, Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2021-22819?

How severe is CVE-2021-22819?

CVE-2021-22819 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.65% probability of exploitation in the next 30 days.

How do I fix CVE-2021-22819?

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-2021-22819?

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

Scan your code now

Source: NVD / NIST