Cyber Resilience

CVE-2021-22724

High

Published: 28 January 2022

Published
28 January 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0014 34.1th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-22724 is a high-severity CSRF (CWE-352) vulnerability in Schneider-Electric Evc1S22P4 Firmware. Its CVSS base score is 8.8 (High).

Operationally, ranked at the 34.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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.…

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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)

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

schneider-electric
evc1s22p4 firmware
≤ 3.4.0.2
schneider-electric
evc1s7p4 firmware
≤ 3.4.0.2
schneider-electric
evw2 firmware
≤ 3.4.0.2
schneider-electric
evf2 firmware
≤ 3.4.0.2
schneider-electric
evp2pe firmware
≤ 3.4.0.2
schneider-electric
evb1a firmware
≤ 3.4.0.2

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-352

Awareness training educates users on avoiding untrusted links and actions that can be exploited via CSRF.

addresses: CWE-352

Requiring user re-entry of credentials for sensitive actions prevents automated forgery of requests without active user participation.

addresses: CWE-352

Security testing regimens explicitly include checks for missing or ineffective anti-CSRF protections in web applications.

addresses: CWE-352

Detects anomalous request patterns consistent with cross-site request forgery.

References