2021-22730 | Schneider Electric EVlink City/EVlink Parking/EVlink Smart Wallbox Web Server hard-coded credentials (SEVD-2021-194-06)

CVSS Meta Temp Score

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CTI Interest Score

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6.0 $0-$5k 0.30

A vulnerability, which was classified as critical, was found in Schneider Electric EVlink City, EVlink Parking and EVlink Smart Wallbox (SCADA Software). Affected is some unknown processing of the component Web Server. The manipulation with an unknown input leads to a weak authentication vulnerability. CWE is classifying the issue as CWE-798. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was released 07/22/2021 as SEVD-2021-194-06. The advisory is available at download.schneider-electric.com. This vulnerability is traded as CVE-2021-22730 since 01/06/2021. The exploitability is told to be easy. Access to the local network is required for this attack to succeed. The exploitation doesn’t require any form of authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1110.001 by the MITRE ATT&CK project.

Upgrading to version R8 V3.4.0.1 eliminates this vulnerability.




VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

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Vector Complexity Authentication Confidentiality Integrity Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Weak authentication
CWE: CWE-798
ATT&CK: T1110.001

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: EVlink City/EVlink Parking/EVlink Smart Wallbox R8 V3.4.0.1

01/06/2021 CVE assigned
07/22/2021 +196 days Advisory disclosed
07/22/2021 +0 days VulDB entry created
07/26/2021 +4 days VulDB last updateVendor: https://www.schneider-electric.com/

Advisory: SEVD-2021-194-06
Status: Confirmed

CVE: CVE-2021-22730 (🔒)

Created: 07/22/2021 05:58
Updated: 07/26/2021 10:32
Changes: (2) source_cve_assigned source_cve_nvd_summary
Complete: 🔍


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