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HIGH · 7.2

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 version...

Vulnerability Description

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.

CVSS Score

7.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Schneider-ElectricEvlink City Evc1S22P4 Firmware< r8_v3.4.0.1
Schneider-ElectricEvlink City Evc1S22P4-
Schneider-ElectricEvlink City Evc1S7P4 Firmware< r8_v3.4.0.1
Schneider-ElectricEvlink City Evc1S7P4-
Schneider-ElectricEvlink Parking Evw2 Firmware< r8_v3.4.0.1
Schneider-ElectricEvlink Parking Evw2-
Schneider-ElectricEvlink Parking Evf2 Firmware< r8_v3.4.0.1
Schneider-ElectricEvlink Parking Evf2-
Schneider-ElectricEvlink Parking Ev.2 Firmware< r8_v3.4.0.1
Schneider-ElectricEvlink Parking Ev.2-
Schneider-ElectricEvlink Smart Wallbox Evb1A Firmware< r8_v3.4.0.1
Schneider-ElectricEvlink Smart Wallbox Evb1A-

Related Weaknesses (CWE)

CWE-347

References

FAQ

What is CVE-2021-22708?

CVE-2021-22708 is a vulnerability with a CVSS score of 7.2 (HIGH). 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 version...

How severe is CVE-2021-22708?

CVE-2021-22708 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-22708?

Check the references section above for vendor advisories and patch information. Affected products include: Schneider-Electric Evlink City Evc1S22P4 Firmware, Schneider-Electric Evlink City Evc1S22P4, Schneider-Electric Evlink City Evc1S7P4 Firmware, Schneider-Electric Evlink City Evc1S7P4, Schneider-Electric Evlink Parking Evw2 Firmware.