CVE-2021-22821

mediumpriority · track · 34EPSS 0.008 · 57 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.82% (57th) EPSS

CVSS 5 · medium

Is it mine?

13 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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)

cvss

Technical severity, 0–10. One row per scoring source.

9.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 5–9.3

v2.05mediumAV:N/AC:L/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.18.6highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 4

v3.19.3criticalAV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:Hsecondary · FSTEC (BDU) RU

v3.17.9highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-918USprimaryCWE-918US

affected products (13)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Schneider Electric EVlink City EVC1S22P4≤ R8 V3.4.0.2fstec_bduRU
Schneider Electric EVlink City EVC1S7P4≤ R8 V3.4.0.2fstec_bduRU
Schneider Electric EVlink Parking EVF2≤ R8 V3.4.0.2fstec_bduRU
Schneider Electric EVlink Parking EVP2PE≤ R8 V3.4.0.2fstec_bduRU
Schneider Electric EVlink Parking EVW2≤ R8 V3.4.0.2fstec_bduRU
Schneider Electric EVlink Smart Wallbox EVB1A≤ R8 V3.4.0.2fstec_bduRU
schneider-electric evlink city evc1s22p4 firmware< 3.4.0.2nvdUScpe:2.3:o:schneider-electric:evlink_city_evc1s22p4_firmware:*:*:*:*:*:*:*:*
schneider-electric evlink city evc1s7p4 firmware< 3.4.0.2nvdUScpe:2.3:o:schneider-electric:evlink_city_evc1s7p4_firmware:*:*:*:*:*:*:*:*
schneider-electric evlink parking evf2 firmware< 3.4.0.2nvdUScpe:2.3:o:schneider-electric:evlink_parking_evf2_firmware:*:*:*:*:*:*:*:*
schneider-electric evlink parking evp2pe firmware< 3.4.0.2nvdUScpe:2.3:o:schneider-electric:evlink_parking_evp2pe_firmware:*:*:*:*:*:*:*:*
schneider-electric evlink parking evw2 firmware< 3.4.0.2nvdUScpe:2.3:o:schneider-electric:evlink_parking_evw2_firmware:*:*:*:*:*:*:*:*
schneider-electric evlink smart wallbox evb1a firmware< 3.4.0.2nvdUScpe:2.3:o:schneider-electric:evlink_smart_wallbox_evb1a_firmware:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2022-01-28modified 2026-06-17

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references (4)

External citations — patches, advisories, analysis.

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