CVE & CISA-KEV Catalog

CVE-2021-22730

CRITICAL
9.8
CVSS v3
NVD

Description

A CWE-798: Use of Hard-coded Credentials 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 an attacker to gain unauthorized administrative privileges when accessing to the charging station web server.

CWE-798Hard-coded Credentials

How to fix

Remediation Available
evlink city evc1s22p4 firmwareNVD
Affected:< r8_v3.4.0.1Fixed in:r8_v3.4.0.1CVE-2021-22730derived from NVD
evlink city evc1s7p4 firmwareNVD
Affected:< r8_v3.4.0.1Fixed in:r8_v3.4.0.1CVE-2021-22730derived from NVD
evlink parking ev.2 firmwareNVD
Affected:< r8_v3.4.0.1Fixed in:r8_v3.4.0.1CVE-2021-22730derived from NVD
evlink parking evf2 firmwareNVD
Affected:< r8_v3.4.0.1Fixed in:r8_v3.4.0.1CVE-2021-22730derived from NVD
evlink parking evw2 firmwareNVD
Affected:< r8_v3.4.0.1Fixed in:r8_v3.4.0.1CVE-2021-22730derived from NVD
evlink smart wallbox evb1a firmwareNVD
Affected:< r8_v3.4.0.1Fixed in:r8_v3.4.0.1CVE-2021-22730derived 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
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

1.36%probability of exploitation in 30 days
68thpercentile

Moderate risk: more likely to be exploited than 68% of all known CVEs.

References

Related Vulnerabilities

Other CWE-798 (Hard-coded Credentials) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2022-26138Critical9.898%KEV-
CVE-2024-3272Critical9.898%KEV-
CVE-2025-30406Critical9.094%KEVFix
CVE-2024-28987Critical9.193%KEVFix
CVE-2019-15976Critical9.893%-Fix
CVE-2024-20439Critical9.892%KEVFix
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CVE-2021-22730 severity badge

Markdown

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HTML

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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.