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CVE-2021-22819

MEDIUM
4.3
CVSS Score
Published: January 28, 2022 at 07:09 PM UTC
Updated: June 17, 2026 at 03:37 AM UTC
12 products affected across 1 vendorEvlink Parking EVW2 FirmwareEvlink City EVC1S22P4 FirmwareEvlink Parking EVF2 Firmware

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.7%

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)

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Evlink City EVC1S22P4 Firmware· Schneider Electric
95%
v < 3.4.0.2
Affected range stops below 3.4.0.2, so it looks safe — our inference, not a vendor statement
schneider-electric-evlink-city-evc1s22p4 (same device)
Evlink City EVC1S7P4 Firmware· Schneider Electric
95%
v < 3.4.0.2
Affected range stops below 3.4.0.2, so it looks safe — our inference, not a vendor statement
schneider-electric-evlink-city-evc1s7p4 (same device)
Evlink Parking EVF2 Firmware· Schneider Electric
95%
v < 3.4.0.2
Affected range stops below 3.4.0.2, so it looks safe — our inference, not a vendor statement
schneider-electric-evlink-parking-evf2 (same device)
Evlink Parking EVP2PE Firmware· Schneider Electric
95%
v < 3.4.0.2
Affected range stops below 3.4.0.2, so it looks safe — our inference, not a vendor statement
schneider-electric-evlink-parking-evp2pe (same device)
Evlink Parking EVW2 Firmware· Schneider Electric
95%
v < 3.4.0.2
Affected range stops below 3.4.0.2, so it looks safe — our inference, not a vendor statement
schneider-electric-evlink-parking-evw2 (same device)
Evlink Smart Wallbox EVB1A Firmware· Schneider Electric
95%
v < 3.4.0.2
Affected range stops below 3.4.0.2, so it looks safe — our inference, not a vendor statement
schneider-electric-evlink-smart-wallbox-evb1a (same device)
EVlink City EVC1S22P4· Schneider Electricdevice
80%
All versions
EVlink City EVC1S7P4· Schneider Electricdevice
80%
All versions
EVlink Parking EVF2· Schneider Electricdevice
80%
All versions
Evlink Parking Evp2Pe· Schneider Electricdevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-348-02

CVSS

4.3MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-1021

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