CVE-2021-22727

moderate-risk
Published 2021-07-21

A CWE-331: Insufficient Entropy 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 gain unauthorized access to the charging station web server

Do I need to act?

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0.60% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (6)

Evlink City Evc1S22P4 Firmware
Evlink City Evc1S7P4 Firmware
Evlink Parking Evw2 Firmware
Evlink Parking Evf2 Firmware
Evlink Parking Ev.2 Firmware
Evlink Smart Wallbox Evb1A Firmware

Affected Vendors

Schneider-Electric

References (2)

Vendor Advisory http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-194-06
Vendor Advisory http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-194-06
47
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 2/34 · Minimal
Exposure 13/34 · Low