CVE-2021-22820
Critical
Description
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)
SeverityCritical
CVSS9.8
Exploit probability—
ProductSchneider-electric Evlink City Evc1s22p4 Firmware
PublishedJan 28, 2022
First seenJan 28, 2022
How to fix
Update
- schneider-electric evlink_city_evc1s22p4_firmware3.4.0.2 or later
- schneider-electric evlink_city_evc1s7p4_firmware3.4.0.2 or later
- schneider-electric evlink_parking_evw2_firmware3.4.0.2 or later
- schneider-electric evlink_parking_evf2_firmware3.4.0.2 or later
- schneider-electric evlink_parking_evp2pe_firmware3.4.0.2 or later
- schneider-electric evlink_smart_wallbox_evb1a_firmware3.4.0.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| schneider-electric evlink_city_evc1s22p4_firmware | v < 3.4.0.2 | 3.4.0.2 |
| schneider-electric evlink_city_evc1s7p4_firmware | v < 3.4.0.2 | 3.4.0.2 |
| schneider-electric evlink_parking_evw2_firmware | v < 3.4.0.2 | 3.4.0.2 |
| schneider-electric evlink_parking_evf2_firmware | v < 3.4.0.2 | 3.4.0.2 |
| schneider-electric evlink_parking_evp2pe_firmware | v < 3.4.0.2 | 3.4.0.2 |
| schneider-electric evlink_smart_wallbox_evb1a_firmware | v < 3.4.0.2 | 3.4.0.2 |
Check your version
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