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Evlink City Evc1S22P4 Firmware CVE-2021-22773

MEDIUM
Unverified Password Change (CWE-620)
2021-07-21 cybersecurity@se.com
Information Disclosure 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
6.5
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
6.5 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

Lifecycle Timeline

1
CVE Published
Jul 21, 2021 - 15:15 nvd
MEDIUM 6.5

DescriptionNVD

A CWE-620: Unverified Password Change 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 connected to the charging station web server to modify the password of a user.

AnalysisAI

A CWE-620: Unverified Password Change 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. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-620. A CWE-620: Unverified Password Change 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 connected to the charging station web server to modify the password of a user. Affected products include: 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.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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A CWE-918: Server-Side Request Forgery (SSRF) vulnerability exists in EVlink City (EVC1S22P4 / EVC1S7P4 all versions pri
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A CWE-200: Information Exposure vulnerability exists in EVlink City (EVC1S22P4 / EVC1S7P4 all versions prior to R8 V3.4.
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A CWE-79: Improper Neutralization of Input During Web Page Generation (Cross-siteScripting) through Cross-Site Request F
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A CWE-79: Improper Neutralization of Input During Web Page Generation ('Stored Cross-site Scripting') vulnerability exis
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A CWE-200: Information Exposure vulnerability exists in EVlink City (EVC1S22P4 / EVC1S7P4 all versions prior to R8 V3.4.

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CVE-2021-22773 vulnerability details – vuln.today
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