CVE-2021-22724

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-01-28 · updated 2026-06-17
Weakness: CWE-352

Description

A CVE-352 Cross-Site Request Forgery (CSRF) vulnerability exists that could allow an attacker to impersonate the user or carry out actions on their behalf when crafted malicious parameters are submitted in POST requests sent 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)

Affected products

Schneider-Electric Evb1A Firmware: before 3.4.0.2 — fixed in 3.4.0.2
Schneider-Electric Evc1S22P4 Firmware: before 3.4.0.2 — fixed in 3.4.0.2
Schneider-Electric Evc1S7P4 Firmware: before 3.4.0.2 — fixed in 3.4.0.2
Schneider-Electric Evf2 Firmware: before 3.4.0.2 — fixed in 3.4.0.2
Schneider-Electric Evp2Pe Firmware: before 3.4.0.2 — fixed in 3.4.0.2
Schneider-Electric Evw2 Firmware: before 3.4.0.2 — fixed in 3.4.0.2

How to fix

Upgrade to a fixed version: Schneider-Electric Evb1A Firmware 3.4.0.2; Schneider-Electric Evc1S22P4 Firmware 3.4.0.2; Schneider-Electric Evc1S7P4 Firmware 3.4.0.2; Schneider-Electric Evf2 Firmware 3.4.0.2; Schneider-Electric Evp2Pe Firmware 3.4.0.2; Schneider-Electric Evw2 Firmware 3.4.0.2. Check the vendor advisory for mitigations.

References

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