Schneider Electric EVlink City/EVlink Parking/EVlink Smart Wallbox prior R8 V3.4.0.1 Web Server cross site scripting

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3.4$0-$5k0.03

A vulnerability was found in Schneider Electric EVlink City, EVlink Parking and EVlink Smart Wallbox (SCADA Software). It has been rated as problematic. Affected by this issue is an unknown part of the component Web Server. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. Impacted is integrity. An attacker might be able to inject arbitrary html and script code into the web site. This would alter the appearance and would make it possible to initiate further attacks against site visitors. CVE summarizes:

A CWE-79: Improper Neutralization of Input During Web Page Generation (Cross-siteScripting) through Cross-Site Request Forgery (CSRF) 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 impersonate the user who manages the charging station or carry out actions on their behalf when crafted malicious parameters are submitted to the charging station web server.

The weakness was presented 07/22/2021 as SEVD-2021-194-06. The advisory is available at download.schneider-electric.com. This vulnerability is handled as CVE-2021-22723 since 01/06/2021. The exploitation is known to be easy. The attack may be launched remotely. A simple authentication is necessary for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

Upgrading to version R8 V3.4.0.1 eliminates this vulnerability.

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VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2infoedit

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfoedit

Class: Cross site scripting
CWE: CWE-79
ATT&CK: T1059.007

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

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

Timelineinfoedit

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 update

Sourcesinfoedit

Vendor: https://www.schneider-electric.com/

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

CVE: CVE-2021-22723 (🔒)

Entryinfoedit

Created: 07/22/2021 06:21 AM
Updated: 07/26/2021 02:28 PM
Changes: (2) source_cve_assigned source_cve_nvd_summary
Complete: 🔍

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