CVE-2021-22820

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

Published at: - 28-01-2022 09:15

Last modified: - 03-02-2022 08:12

Total changes: - 3

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)

Common Vulnerability Scoring System (CVSS)

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

Low

Attack complexity

Network

Attack vector

High

Availability

High

Confidentiality

High

Integrity

None

Privileges required

Unchanged

Scope

None

User interaction

9.8

Base score

3.9

5.9

Exploitability score

Impact score

Verification logic

AND

vendor=schneider-electric AND product=evlink_city_evc1s22p4_firmware AND versionEndExcluding=3.4.0.2

vendor=schneider-electric AND product=evlink_city_evc1s22p4 AND version=-

AND

vendor=schneider-electric AND product=evlink_city_evc1s7p4_firmware AND versionEndExcluding=3.4.0.2

vendor=schneider-electric AND product=evlink_city_evc1s7p4 AND version=-

AND

vendor=schneider-electric AND product=evlink_parking_evw2_firmware AND versionEndExcluding=3.4.0.2

vendor=schneider-electric AND product=evlink_parking_evw2 AND version=-

AND

vendor=schneider-electric AND product=evlink_parking_evf2_firmware AND versionEndExcluding=3.4.0.2

vendor=schneider-electric AND product=evlink_parking_evf2 AND version=-

AND

vendor=schneider-electric AND product=evlink_parking_evp2pe_firmware AND versionEndExcluding=3.4.0.2

vendor=schneider-electric AND product=evlink_parking_evp2pe AND version=-

AND

vendor=schneider-electric AND product=evlink_smart_wallbox_evb1a_firmware AND versionEndExcluding=3.4.0.2

vendor=schneider-electric AND product=evlink_smart_wallbox_evb1a AND version=-

Reference

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-348-02

Keywords

CVE-2021-22820

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

NVD

CVE-2021-22820

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures