Schneider Electric EVlink City EVC1S22P4 prior 3.4.0.2 server-side request forgery

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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Schneider Electric EVlink City EVC1S22P4, EVlink City EVC1S7P4, EVlink Parking EVW2, EVlink Parking EVF2, EVlink Parking EVP2PE and EVlink Smart Wallbox EVB1A. Affected by this vulnerability is an unknown functionality. Executing a manipulation can lead to server-side request forgery. The identification of this vulnerability is CVE-2021-22821. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Schneider Electric EVlink City EVC1S22P4, EVlink City EVC1S7P4, EVlink Parking EVW2, EVlink Parking EVF2, EVlink Parking EVP2PE and EVlink Smart Wallbox EVB1A (SCADA Software) and classified as critical. This vulnerability affects an unknown function. The manipulation with an unknown input leads to a server-side request forgery vulnerability. The CWE definition for the vulnerability is CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 01/29/2022 as SEVD-2021-348-02. The advisory is shared for download at download.schneider-electric.com. This vulnerability was named CVE-2021-22821 since 01/06/2021. There are neither technical details nor an exploit publicly available.

Upgrading to version 3.4.0.2 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• SCADA Software

Vendor

• Schneider Electric

Name

• EVlink City EVC1S7P4
• EVlink City EVC1S22P4
• EVlink Parking EVF2
• EVlink Parking EVP2PE
• EVlink Parking EVW2
• EVlink Smart Wallbox EVB1A

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: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
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: Server-side request forgery
CWE: CWE-918
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 EVC1S22P4/EVlink City EVC1S7P4/EVlink Parking EVW2/EVlink Parking EVF2/EVlink Parking EVP2PE/EVlink Smart Wallbox EVB1A 3.4.0.2

Timelineinfo

01/06/2021 🔍
01/29/2022 +388 days 🔍
01/29/2022 +0 days 🔍
02/02/2022 +4 days 🔍

Sourcesinfo

Vendor: schneider-electric.com

Advisory: SEVD-2021-348-02
Status: Confirmed

CVE: CVE-2021-22821 (🔍)
GCVE (CVE): GCVE-0-2021-22821
GCVE (VulDB): GCVE-100-191884

Entryinfo

Created: 01/29/2022 08:30
Updated: 02/02/2022 07:28
Changes: 01/29/2022 08:30 (39), 02/02/2022 07:28 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

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