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6.5
CVSSv2

CVE-2021-22708

Published: 21/07/2021 Updated: 28/07/2021
CVSS v2 Base Score: 6.5 | Impact Score: 6.4 | Exploitability Score: 8
CVSS v3 Base Score: 7.2 | Impact Score: 5.9 | Exploitability Score: 1.2
VMScore: 578
Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P

Vulnerability Summary

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 malicious user to craft a malicious firmware package and bypass the signature verification mechanism.

Vulnerability Trend

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schneider-electric evlink city evc1s22p4 firmware

schneider-electric evlink city evc1s7p4 firmware

schneider-electric evlink parking evw2 firmware

schneider-electric evlink parking evf2 firmware

schneider-electric evlink parking ev.2 firmware

schneider-electric evlink smart wallbox evb1a firmware

Exploits

Exploit DB: Schneider Electric EVlink Charging Stations Authentication Bypass / Code Execution
Multiple Schneider Electric EVlink Charging Stations suffers from authentication bypass and remote code execution vulnerabilities ...

Mailing Lists

Full Disclosure: SEC Consult SA-20210714-0 :: Critical vulnerabilities in Schneider Electric EVlink Charging Stations
SEC Consult Vulnerability Lab Security Advisory < 20210714-0 > =======================================================================               title: Authentication bypass & Remote code execution             product: Multiple Schneider Electric EVlink Charging Stations ...

References

CWE-347http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-194-06https://nvd.nist.govhttp://seclists.org/fulldisclosure/2021/Jul/32
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-3080log injectionCVE-2024-6041CVE-2024-37661XML external entityCVE-2024-0845privilege escalationCVE-2023-37057CVE-2024-27801
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