CVE & CISA-KEV Catalog

CVE-2021-22774

HIGH

7.5

CVSS v3

Description

A CWE-759: Use of a One-Way Hash without a Salt 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 lead an attacker to get knowledge of charging station user account credentials using dictionary attacks techniques.

How to fix

Remediation Available

evlink city evc1s22p4 firmwareNVD

Affected:< r8_v3.4.0.1Fixed in:r8_v3.4.0.1CVE-2021-22774derived from NVD

evlink city evc1s7p4 firmwareNVD

Affected:< r8_v3.4.0.1Fixed in:r8_v3.4.0.1CVE-2021-22774derived from NVD

evlink parking ev.2 firmwareNVD

Affected:< r8_v3.4.0.1Fixed in:r8_v3.4.0.1CVE-2021-22774derived from NVD

evlink parking evf2 firmwareNVD

Affected:< r8_v3.4.0.1Fixed in:r8_v3.4.0.1CVE-2021-22774derived from NVD

evlink parking evw2 firmwareNVD

Affected:< r8_v3.4.0.1Fixed in:r8_v3.4.0.1CVE-2021-22774derived from NVD

evlink smart wallbox evb1a firmwareNVD

Affected:< r8_v3.4.0.1Fixed in:r8_v3.4.0.1CVE-2021-22774derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

0.80%probability of exploitation in 30 days

52ndpercentile

Moderate risk: more likely to be exploited than 52% of all known CVEs.

References

Vendor Advisory1

download.schneider-electric.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.