How severe is CVE-2021-22724?

CVE-2021-22724 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-22724 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-22724?

CVE-2021-22724 primarily affects Schneider-electric Evc1s22p4 Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-22724?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-22724 published?

CVE-2021-22724 was published on 2022-01-28 and last updated on 2026-06-17.

CVE-2021-22724

CVE-2021-22724 is a high-severity vulnerability in Schneider-electric Evc1s22p4 Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Schneider-electric Evc1s22p4 Firmware
Published: 2022-01-28
Last modified: 2026-06-17

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)

Frequently asked questions

What is CVE-2021-22724?: 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)
How severe is CVE-2021-22724?: CVE-2021-22724 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-22724 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-22724?: CVE-2021-22724 primarily affects Schneider-electric Evc1s22p4 Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-22724?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-22724 published?: CVE-2021-22724 was published on 2022-01-28 and last updated on 2026-06-17.

References

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-348-02

Affected products (6)

cpe:2.3:o:schneider-electric:evc1s22p4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:evc1s7p4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:evw2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:evf2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:evp2pe_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:evb1a_firmware:*:*:*:*:*:*:*:*

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