CVE-2021-22708

published 2021-07-21

CVE-2021-22708: A CWE-347: Improper Verification of Cryptographic Signature vulnerability exists in EVlink City (EVC1S22P4 / EVC1S7P4 all versions prior to R8 V3.4.0.1)…

high 7.2 CVSS 3.1

AV N AC L PR H UI N S U C H I H A H

A CWE-347: Improper Verification of Cryptographic Signature vulnerability exists in EVlink City (EVC1S22P4 / EVC1S7P4 all versions prior to R8 V3.4.0.1), EVlink Parking (EVW2 / EVF2 / EV.2 all versions prior to R8 V3.4.0.1), and EVlink Smart Wallbox (EVB1A all versions prior to R8 V3.4.0.1 ) that could allow an attacker to craft a malicious firmware package and bypass the signature verification mechanism.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
schneider-electric	evlink_city_evc1s22p4_firmware	< r8_v3.4.0.1	r8_v3.4.0.1
schneider-electric	evlink_city_evc1s7p4_firmware	< r8_v3.4.0.1	r8_v3.4.0.1
schneider-electric	evlink_parking_ev.2_firmware	< r8_v3.4.0.1	r8_v3.4.0.1
schneider-electric	evlink_parking_evf2_firmware	< r8_v3.4.0.1	r8_v3.4.0.1
schneider-electric	evlink_parking_evw2_firmware	< r8_v3.4.0.1	r8_v3.4.0.1
schneider-electric	evlink_smart_wallbox_evb1a_firmware	< r8_v3.4.0.1	r8_v3.4.0.1

CWE-347