PT-2021-7738 · Schneider Electric · Evlink Parking+2

Published 2021-12-14 · Updated 2022-02-03 · CVE-2021-22821

Positive Technologies (AI Summary)

CVSS v3.1

8.6

High

Base vector

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

Name of the Vulnerable Software and Affected Versions EVlink City versions prior to R8 V3.4.0.2 EVlink Parking versions prior to R8 V3.4.0.2 EVlink Smart Wallbox versions prior to R8 V3.4.0.2

Description The issue is related to insufficient validation of incoming requests, allowing an attacker to forward requests to unintended network targets. This is a Server-Side Request Forgery (SSRF) vulnerability.

Recommendations For EVlink City versions prior to R8 V3.4.0.2, update to version R8 V3.4.0.2 or later. For EVlink Parking versions prior to R8 V3.4.0.2, update to version R8 V3.4.0.2 or later. For EVlink Smart Wallbox versions prior to R8 V3.4.0.2, update to version R8 V3.4.0.2 or later.

Fix

SSRF

Weakness Enumeration

CWE-918

Related Identifiers

BDU:2023-02279

CVE-2021-22821

Affected Products

Evlink City

Evlink Parking

Evlink Smart Wallbox

References · 5

• https://bdu.fstec.ru/vul/2023-02279 · Security Note
• https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-348-02 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-22821 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-22821 · Security Note
• https://vuldb.com/ru/?id.191884 · Note