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), 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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.2 HIGH
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
schneiderCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 47%
VendorProductVersion
schneider-electricevlink_city_evc1s22p4_firmware
𝑥
< r8_v3.4.0.1
schneider-electricevlink_city_evc1s7p4_firmware
𝑥
< r8_v3.4.0.1
schneider-electricevlink_parking_evw2_firmware
𝑥
< r8_v3.4.0.1
schneider-electricevlink_parking_evf2_firmware
𝑥
< r8_v3.4.0.1
schneider-electricevlink_parking_ev.2_firmware
𝑥
< r8_v3.4.0.1
schneider-electricevlink_smart_wallbox_evb1a_firmware
𝑥
< r8_v3.4.0.1
𝑥
= Vulnerable software versions