Improper Verification of Cryptographic Signature in EVlink Products by Schneider Electric
CVE-2021-22708

7.2HIGH

Key Information:

Vendor

Schneider Electric
Status
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 )
Vendor
CVE Published:
21 July 2021

What is CVE-2021-22708?

A vulnerability exists in various EVlink products from Schneider Electric, where an improper verification of cryptographic signatures can potentially allow attackers to create malicious firmware packages. This flaw affects specific models, enabling unauthorized modification to device firmware and bypassing standard security measures.

Affected Version(s)

EVlink City (EVC1S22P4 / EVC1S7P4 all prior to R8 V3.4.0.1), EVlink Parking (EVW2 / EVF2 / EV.2 all prior to R8 V3.4.0.1), and EVlink Smart Wallbox (EVB1A all prior to R8 V3.4.0.1 ) 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 )

References

http://download.schneider-electric.com/files?p_Doc_Ref=SE...
x_refsource_MISC

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2021-22708 : Improper Verification of Cryptographic Signature in EVlink Products by Schneider Electric