CVE-2021-22820

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A CWE-614 Insufficient Session Expiration vulnerability exists that could allow an attacker to maintain an unauthorized access over a hijacked session to the charger station web server even after the legitimate user account holder has changed his password. Affected Products: EVlink City EVC1S22P4 / EVC1S7P4 (All versions prior to R8 V3.4.0.2 ), EVlink Parking EVW2 / EVF2 / EVP2PE (All versions prior to R8 V3.4.0.2), and EVlink Smart Wallbox EVB1A (All versions prior to R8 V3.4.0.2)

Una CWE-614: Se presenta una vulnerabilidad de Caducidad de Sesión Insuficiente que podría permitir a un atacante mantener un acceso no autorizado a través de una sesión secuestrada al servidor web de la estación de carga incluso después de que el titular legítimo de la cuenta de usuario haya cambiado su contraseña. Productos afectados: EVlink City EVC1S22P4 / EVC1S7P4 (Todas las versiones anteriores a R8 V3.4.0.2 ), EVlink Parking EVW2 / EVF2 / EVP2PE (Todas las versiones anteriores a R8 V3.4.0.2), y EVlink Smart Wallbox EVB1A (Todas las versiones anteriores a R8 V3.4.0.2)

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-06 CVE Reserved
2022-01-28 CVE Published
2023-08-21 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-613: Insufficient Session Expiration

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-348-02	2022-02-03

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Schneider-electric Search vendor "Schneider-electric"	Evlink City Evc1s22p4 Firmware Search vendor "Schneider-electric" for product "Evlink City Evc1s22p4 Firmware"	< 3.4.0.2 Search vendor "Schneider-electric" for product "Evlink City Evc1s22p4 Firmware" and version " < 3.4.0.2"	-	Affected	in	Schneider-electric Search vendor "Schneider-electric"	Evlink City Evc1s22p4 Search vendor "Schneider-electric" for product "Evlink City Evc1s22p4"	-	-	Safe
Schneider-electric Search vendor "Schneider-electric"	Evlink City Evc1s7p4 Firmware Search vendor "Schneider-electric" for product "Evlink City Evc1s7p4 Firmware"	< 3.4.0.2 Search vendor "Schneider-electric" for product "Evlink City Evc1s7p4 Firmware" and version " < 3.4.0.2"	-	Affected	in	Schneider-electric Search vendor "Schneider-electric"	Evlink City Evc1s7p4 Search vendor "Schneider-electric" for product "Evlink City Evc1s7p4"	-	-	Safe
Schneider-electric Search vendor "Schneider-electric"	Evlink Parking Evw2 Firmware Search vendor "Schneider-electric" for product "Evlink Parking Evw2 Firmware"	< 3.4.0.2 Search vendor "Schneider-electric" for product "Evlink Parking Evw2 Firmware" and version " < 3.4.0.2"	-	Affected	in	Schneider-electric Search vendor "Schneider-electric"	Evlink Parking Evw2 Search vendor "Schneider-electric" for product "Evlink Parking Evw2"	-	-	Safe
Schneider-electric Search vendor "Schneider-electric"	Evlink Parking Evf2 Firmware Search vendor "Schneider-electric" for product "Evlink Parking Evf2 Firmware"	< 3.4.0.2 Search vendor "Schneider-electric" for product "Evlink Parking Evf2 Firmware" and version " < 3.4.0.2"	-	Affected	in	Schneider-electric Search vendor "Schneider-electric"	Evlink Parking Evf2 Search vendor "Schneider-electric" for product "Evlink Parking Evf2"	-	-	Safe
Schneider-electric Search vendor "Schneider-electric"	Evlink Parking Evp2pe Firmware Search vendor "Schneider-electric" for product "Evlink Parking Evp2pe Firmware"	< 3.4.0.2 Search vendor "Schneider-electric" for product "Evlink Parking Evp2pe Firmware" and version " < 3.4.0.2"	-	Affected	in	Schneider-electric Search vendor "Schneider-electric"	Evlink Parking Evp2pe Search vendor "Schneider-electric" for product "Evlink Parking Evp2pe"	-	-	Safe
Schneider-electric Search vendor "Schneider-electric"	Evlink Smart Wallbox Evb1a Firmware Search vendor "Schneider-electric" for product "Evlink Smart Wallbox Evb1a Firmware"	< 3.4.0.2 Search vendor "Schneider-electric" for product "Evlink Smart Wallbox Evb1a Firmware" and version " < 3.4.0.2"	-	Affected	in	Schneider-electric Search vendor "Schneider-electric"	Evlink Smart Wallbox Evb1a Search vendor "Schneider-electric" for product "Evlink Smart Wallbox Evb1a"	-	-	Safe