Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-2021-22820

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
28/01/2022
Last modified:
03/02/2022

Description

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)

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
9.80
Severity 3.x
CRITICAL
Vector 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
7.50
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:schneider-electric:evlink_city_evc1s22p4_firmware:*:*:*:*:*:*:*:* 3.4.0.2 (excluding)
cpe:2.3:h:schneider-electric:evlink_city_evc1s22p4:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:evlink_city_evc1s7p4_firmware:*:*:*:*:*:*:*:* 3.4.0.2 (excluding)
cpe:2.3:h:schneider-electric:evlink_city_evc1s7p4:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:evlink_parking_evw2_firmware:*:*:*:*:*:*:*:* 3.4.0.2 (excluding)
cpe:2.3:h:schneider-electric:evlink_parking_evw2:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:evlink_parking_evf2_firmware:*:*:*:*:*:*:*:* 3.4.0.2 (excluding)
cpe:2.3:h:schneider-electric:evlink_parking_evf2:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:evlink_parking_evp2pe_firmware:*:*:*:*:*:*:*:* 3.4.0.2 (excluding)
cpe:2.3:h:schneider-electric:evlink_parking_evp2pe:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:evlink_smart_wallbox_evb1a_firmware:*:*:*:*:*:*:*:* 3.4.0.2 (excluding)
cpe:2.3:h:schneider-electric:evlink_smart_wallbox_evb1a:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools