medium
5.3
CWE
200
Advisory Published
Updated

CVE-2021-22721: Infoleak

First published: Wed Jul 21 2021(Updated: )

A CWE-200: Information Exposure 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 get limited knowledge of javascript code when crafted malicious parameters are submitted to the charging station web server.

Credit: cybersecurity@se.com

Affected SoftwareAffected VersionHow to fix
Schneider-electric Evlink City Evc1s22p4 Firmware<r8_v3.4.0.1
Schneider-electric Evlink City Evc1s22p4
Schneider-electric Evlink City Evc1s7p4 Firmware<r8_v3.4.0.1
Schneider-electric Evlink City Evc1s7p4
Schneider-electric Evlink Parking Evw2 Firmware<r8_v3.4.0.1
Schneider-electric Evlink Parking Evw2
Schneider-electric Evlink Parking Evf2 Firmware<r8_v3.4.0.1
Schneider-electric Evlink Parking Evf2
Schneider-electric Evlink Parking Ev.2 Firmware<r8_v3.4.0.1
Schneider-electric Evlink Parking Ev.2
Schneider-electric Evlink Smart Wallbox Evb1a Firmware<r8_v3.4.0.1
Schneider-electric Evlink Smart Wallbox Evb1a

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Reference Links

Frequently Asked Questions

  • What is the vulnerability ID for this vulnerability?

    The vulnerability ID for this vulnerability is CVE-2021-22721.

  • What is the severity of CVE-2021-22721?

    The severity of CVE-2021-22721 is medium with a severity value of 5.3.

  • Which software versions are affected by CVE-2021-22721?

    The affected software versions are EVlink City (EVC1S22P4 / EVC1S7P4) prior to R8 V3.4.0.1, EVlink Parking (EVW2 / EVF2 / EV.2) prior to R8 V3.4.0.1, and EVlink Smart Wallbox (EVB1A) prior to R8 V3.4.0.1.

  • How can an attacker exploit CVE-2021-22721?

    An attacker could exploit CVE-2021-22721 to gain access to sensitive information.

  • Is there a fix available for CVE-2021-22721?

    Yes, the fix for CVE-2021-22721 is to update the affected software versions to R8 V3.4.0.1 or later.

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