2021-22722 | Schneider Electric EVlink City/EVlink Parking/EVlink Smart Wallbox CSV Import cross site scripting (SEVD-2021-194-06)
| CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system. |
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack. |
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability. |
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| 3.4 | $0-$5k | 0.71 |
A vulnerability was found in Schneider Electric EVlink City, EVlink Parking and EVlink Smart Wallbox (SCADA Software). It has been declared as problematic. Affected by this vulnerability is some unknown functionality of the component CSV Import Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. As an impact it is known to affect 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. The summary by CVE is:
A CWE-79: Improper Neutralization of Input During Web Page Generation (‘Stored Cross-site Scripting’) 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 cause code injection when importing a CSV file or changing station parameters.
The weakness was disclosed 07/22/2021 as SEVD-2021-194-06. The advisory is shared at download.schneider-electric.com. This vulnerability is known as CVE-2021-22722 since 01/06/2021. The exploitation appears to be easy. The attack can be launched remotely. A single authentication is required for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.
Upgrading to version R8 V3.4.0.1 eliminates this vulnerability.
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Vendor
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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: 🔍
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
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 Intelligence
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 Advisory disclosed
07/22/2021 VulDB entry created
07/26/2021 VulDB last updateVendor: https://www.schneider-electric.com/
Advisory: SEVD-2021-194-06
Status: Confirmed
CVE: CVE-2021-22722 (🔒)
Created: 07/22/2021 06:20
Updated: 07/26/2021 14:24
Changes: (2) source_cve_assigned source_cve_nvd_summary
Complete: 🔍
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