9.8
CRITICAL
CVE-2021-22820
" ChargePoint Charger Station Insufficient Session Expiration Vulnerability"
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)

INFO

Published Date :

Jan. 28, 2022, 8:15 p.m.

Last Modified :

Feb. 3, 2022, 7:12 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-22820 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Schneider-electric evlink_city_evc1s22p4_firmware
2 Schneider-electric evlink_city_evc1s7p4_firmware
3 Schneider-electric evlink_parking_evw2_firmware
4 Schneider-electric evlink_parking_evf2_firmware
5 Schneider-electric evlink_smart_wallbox_evb1a_firmware
6 Schneider-electric evlink_parking_evp2pe_firmware
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-22820.

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

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-22820 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-22820 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Feb. 03, 2022

    Action Type Old Value New Value
    Changed CPE Configuration AND OR *cpe:2.3:o:schneider-electric:evc1s22p4_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.4.0.2 OR cpe:2.3:h:schneider-electric:evc1s22p4:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:evlink_city_evc1s22p4_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.4.0.2 OR cpe:2.3:h:schneider-electric:evlink_city_evc1s22p4:-:*:*:*:*:*:*:*
    Changed CPE Configuration AND OR *cpe:2.3:o:schneider-electric:evc1s7p4_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.4.0.2 OR cpe:2.3:h:schneider-electric:evc1s7p4:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:evlink_city_evc1s7p4_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.4.0.2 OR cpe:2.3:h:schneider-electric:evlink_city_evc1s7p4:-:*:*:*:*:*:*:*
    Changed CPE Configuration AND OR *cpe:2.3:o:schneider-electrice:evw2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.4.0.2 OR cpe:2.3:h:schneider-electric:evw2:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:evlink_parking_evw2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.4.0.2 OR cpe:2.3:h:schneider-electric:evlink_parking_evw2:-:*:*:*:*:*:*:*
    Changed CPE Configuration AND OR *cpe:2.3:o:schneider-electric:evf2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.4.0.2 OR cpe:2.3:h:schneider-electric:evf2:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:evlink_parking_evf2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.4.0.2 OR cpe:2.3:h:schneider-electric:evlink_parking_evf2:-:*:*:*:*:*:*:*
    Changed CPE Configuration AND OR *cpe:2.3:o:schneider-electric:evp2pe_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.4.0.2 OR cpe:2.3:h:schneider-electric:evp2pe:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:evlink_parking_evp2pe_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.4.0.2 OR cpe:2.3:h:schneider-electric:evlink_parking_evp2pe:-:*:*:*:*:*:*:*
    Changed CPE Configuration AND OR *cpe:2.3:o:schneider-electric:evb1a_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.4.0.2 OR cpe:2.3:h:schneider-electric:evb1a:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:evlink_smart_wallbox_evb1a_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.4.0.2 OR cpe:2.3:h:schneider-electric:evlink_smart_wallbox_evb1a:-:*:*:*:*:*:*:*
  • Initial Analysis by [email protected]

    Feb. 03, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-348-02 No Types Assigned https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-348-02 Patch, Vendor Advisory
    Added CWE NIST CWE-613
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:evc1s22p4_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.4.0.2 OR cpe:2.3:h:schneider-electric:evc1s22p4:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:evc1s7p4_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.4.0.2 OR cpe:2.3:h:schneider-electric:evc1s7p4:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electrice:evw2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.4.0.2 OR cpe:2.3:h:schneider-electric:evw2:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:evf2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.4.0.2 OR cpe:2.3:h:schneider-electric:evf2:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:evp2pe_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.4.0.2 OR cpe:2.3:h:schneider-electric:evp2pe:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:evb1a_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.4.0.2 OR cpe:2.3:h:schneider-electric:evb1a:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jan. 28, 2022

    Action Type Old Value New Value
    Removed CWE Schneider Electric SE CWE-614
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-22820 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-22820 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.20 }} 0.01%

score

0.57293

percentile

CVSS31 - Vulnerability Scoring System
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