VDB-179323 · CVE-2021-22721 · SEVD-2021-194-06

Schneider Electric EVlink City/EVlink Parking/EVlink Smart Wallbox prior R8 V3.4.0.1 Javascript information disclosure

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.
3.4	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Schneider Electric EVlink City, EVlink Parking and EVlink Smart Wallbox. Affected by this issue is some unknown functionality of the component Javascript Handler. This manipulation causes information disclosure. This vulnerability appears as CVE-2021-22721. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

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 an unknown code of the component Javascript Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality.

The weakness was presented 07/21/2021 as SEVD-2021-194-06. It is possible to read the advisory at download.schneider-electric.com. This vulnerability is known as CVE-2021-22721. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Upgrading to version R8 V3.4.0.1 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

SCADA Software

Vendor

Schneider Electric

Name

License

commercial

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

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

Timelineinfo

01/06/2021 🔍
07/21/2021 +195 days 🔍
07/21/2021 +0 days 🔍
07/26/2021 +5 days 🔍

Sourcesinfo

Vendor: schneider-electric.com

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

CVE: CVE-2021-22721 (🔍)
GCVE (CVE): GCVE-0-2021-22721
GCVE (VulDB): GCVE-100-179323

Entryinfo

Created: 07/21/2021 22:50
Updated: 07/26/2021 09:08
Changes: 07/21/2021 22:50 (39), 07/26/2021 09:08 (2)
Complete: 🔍
Cache ID: 216::103