CVE-2021-22708

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.

References

Link	Tags
http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-194-06	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-22708?: CVE-2021-22708 has been scored as a high severity vulnerability.
How to fix CVE-2021-22708?: To fix CVE-2021-22708, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-22708 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-22708 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-22708?: CVE-2021-22708 affects n/a 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 ).

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Description

Category

CWE-347 – Improper Verification of Cryptographic Signature

References

Frequently Asked Questions