CVE-2021-22820: Schneider Electric Evlink City EVC1S22P4 Firmware

Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days.

A CWE-614 Insufficient Session Expiration vulnerability exists that could allow an attacker to maintain an unauthorized access over a hijacked session to the charger station web server even after the legitimate user account holder has changed his password. 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.