CVE-2021-22821
Doshi EVlink SSRF Middleware Vulnerability
Description
A CWE-918 Server-Side Request Forgery (SSRF) vulnerability exists that could cause the station web server to forward requests to unintended network targets when crafted malicious parameters are submitted to the charging station web server. 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 :
Nov. 21, 2024, 5:50 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
4.0
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2021-22821
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.
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-2021-22821.
| URL | Resource |
|---|---|
| https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-348-02 | Patch Vendor Advisory |
| 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-2021-22821 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-22821 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.
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CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-348-02 -
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-electric: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:N/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N 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-918 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-electric: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-918
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-22821 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-2021-22821
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.08 }} 0.01%
score
0.36570
percentile