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    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.

    Published:Jul 21, 2021
    Last Modified:Nov 21, 2024
    EPS:Jul 21, 2021
    EPSS Score:0.00245
    CVSS Score:7.2

    Affected Products

    Vendor
    Schneider-electric
    Product
    Evlink City Evc1s22p4
    Vendor
    Schneider-electric
    Product
    Evlink City Evc1s22p4 Firmware
    Vendor
    Schneider-electric
    Product
    Evlink City Evc1s7p4
    Vendor
    Schneider-electric
    Product
    Evlink City Evc1s7p4 Firmware
    Vendor
    Schneider-electric
    Product
    Evlink Parking Ev.2
    Vendor
    Schneider-electric
    Product
    Evlink Parking Ev.2 Firmware
    Vendor
    Schneider-electric
    Product
    Evlink Parking Evf2
    Vendor
    Schneider-electric
    Product
    Evlink Parking Evf2 Firmware
    Vendor
    Schneider-electric
    Product
    Evlink Parking Evw2
    Vendor
    Schneider-electric
    Product
    Evlink Parking Evw2 Firmware
    Vendor
    Schneider-electric
    Product
    Evlink Smart Wallbox Evb1a
    Vendor
    Schneider-electric
    Product
    Evlink Smart Wallbox Evb1a Firmware

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-463 Padding Oracle Crypto Attack
    CAPEC-475 Signature Spoofing by Improper Validation

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    CVE-2021-22773 (CVSS 6.5) — A CWE-620: Unverified Password Change vulnerability exists in EVlink City (EVC1S22P4 / EVC1S7P4 all versions p…
    CVE-2021-22730 (CVSS 9.8) — A CWE-798: Use of Hard-coded Credentials vulnerability exists in EVlink City (EVC1S22P4 / EVC1S7P4 all version…
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    CVE-2021-22728 (CVSS 6.5) — A CWE-200: Information Exposure vulnerability exists in EVlink City (EVC1S22P4 / EVC1S7P4 all versions prior t…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High