CVE-2021-22774 HIGH

Published: 2021-07-21 | Last Modified: 2024-11-21 | Status: Modified

Description

A CWE-759: Use of a One-Way Hash without a Salt 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 lead an attacker to get knowledge of charging station user account credentials using dictionary attacks techniques.

Additional Descriptions (1)

A CWE-759: Se presenta una vulnerabilidad de Uso de un Hash Unidireccional sin Salt en EVlink City (EVC1S22P4 / EVC1S7P4 todas las versiones anteriores a R8 V3.4.0.1), EVlink Parking (EVW2 / EVF2 / EV.2 todas las versiones anteriores a R8 V3.4.0.1), y EVlink Smart Wallbox (EVB1A todas las versiones anteriores a R8 V3.4.0.1) que podría conllevar a un atacante a obtener conocimiento de las credenciales de la cuenta de usuario de la estación de carga usando técnicas de ataque de diccionario

CVSS Metrics

Base Score: 7.5 (HIGH)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector	NETWORK
Attack Complexity	LOW
Privileges Required	NONE
User Interaction	NONE
Scope	UNCHANGED
Confidentiality Impact	HIGH
Integrity Impact	NONE
Availability Impact	NONE

Source: [email protected]

Type: Primary

Exploitability Score: 3.9

Impact Score: 3.6

Base Score: 5.0 (MEDIUM)

AV:N/AC:L/Au:N/C:P/I:N/A:N

Access Vector	NETWORK
Access Complexity	LOW
Authentication	NONE
Confidentiality Impact	PARTIAL
Integrity Impact	NONE
Availability Impact	NONE

Source: [email protected]

Type: Primary

Exploitability Score: 10.0

Impact Score: 2.9

Weaknesses

Source	Type	Description
[email protected]	Primary	en CWE-916

Affected Products

Vendor	Product	Version	Update	Type
schneider-electric	evlink_city_evc1s22p4_firmware	*	<built-in method update of dict object at 0x7e60e8815700>	Operating System
schneider-electric	evlink_city_evc1s7p4_firmware	*	<built-in method update of dict object at 0x7e61109d5bc0>	Operating System
schneider-electric	evlink_parking_evw2_firmware	*	<built-in method update of dict object at 0x7e60eb24d6c0>	Operating System
schneider-electric	evlink_parking_evf2_firmware	*	<built-in method update of dict object at 0x7e60e884f100>	Operating System
schneider-electric	evlink_parking_ev.2_firmware	*	<built-in method update of dict object at 0x7e60e88159c0>	Operating System
schneider-electric	evlink_smart_wallbox_evb1a_firmware	*	<built-in method update of dict object at 0x7e60e884f3c0>	Operating System

Affected Configurations

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:evlink_city_evc1s22p4_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:evlink_city_evc1s22p4:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:evlink_city_evc1s7p4_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:evlink_city_evc1s7p4:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:evlink_parking_evw2_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:evlink_parking_evw2:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:evlink_parking_evf2_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:evlink_parking_evf2:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:evlink_parking_ev.2_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:evlink_parking_ev.2:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:evlink_smart_wallbox_evb1a_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:evlink_smart_wallbox_evb1a:-:::::::*`

References

http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-194-06
Source: [email protected]

Vendor Advisory
http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-194-06
Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory