CVE-2021-22819: Schneider Electric Evlink City EVC1S22P4 Firmware

Medium severity, CVSS 4.3. EPSS: 0.7% chance of exploitation in the next 30 days.

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 products

• Schneider Electric Evlink City EVC1S22P4 Firmware: before 3.4.0.2 (fixed in 3.4.0.2)
• Schneider Electric Evlink City EVC1S7P4 Firmware: before 3.4.0.2 (fixed in 3.4.0.2)
• Schneider Electric Evlink Parking EVF2 Firmware: before 3.4.0.2 (fixed in 3.4.0.2)
• Schneider Electric Evlink Parking EVP2PE Firmware: before 3.4.0.2 (fixed in 3.4.0.2)
• Schneider Electric Evlink Parking EVW2 Firmware: before 3.4.0.2 (fixed in 3.4.0.2)
• Schneider Electric Evlink Smart Wallbox EVB1A Firmware: before 3.4.0.2 (fixed in 3.4.0.2)

Published 2022-01-28. Last modified 2026-06-17.