CVE-2021-22820

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)

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

V2 Legend

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-348-02	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:schneider-electric:evlink_city_evc1s22p4_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:evlink_city_evc1s22p4:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:schneider-electric:evlink_city_evc1s7p4_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:evlink_city_evc1s7p4:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:schneider-electric:evlink_parking_evw2_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:evlink_parking_evw2:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:schneider-electric:evlink_parking_evf2_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:evlink_parking_evf2:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND

cpe:2.3:o:schneider-electric:evlink_parking_evp2pe_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:evlink_parking_evp2pe:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND

cpe:2.3:o:schneider-electric:evlink_smart_wallbox_evb1a_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:evlink_smart_wallbox_evb1a:-:*:*:*:*:*:*:*

Information

Published : 2022-01-28 12:15

Updated : 2022-02-03 11:12

NVD link : CVE-2021-22820

Mitre link : CVE-2021-22820

JSON object : View

CWE

CWE-613

Insufficient Session Expiration

Products Affected

schneider-electric

evlink_smart_wallbox_evb1a_firmware
evlink_parking_evp2pe
evlink_parking_evp2pe_firmware
evlink_smart_wallbox_evb1a
evlink_city_evc1s22p4
evlink_parking_evw2
evlink_parking_evf2
evlink_parking_evw2_firmware
evlink_city_evc1s7p4
evlink_city_evc1s22p4_firmware
evlink_parking_evf2_firmware
evlink_city_evc1s7p4_firmware

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9.8 /10