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Fencer Intel
high 8.6

CVE-2021-22821 json

A CWE-918 Server-Side Request Forgery (SSRF) vulnerability exists that could cause the station web server to forward requests to unintended…

published 4y ago modified 4mo ago also EUVD-2021-9956

cvss
8.6
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits
0
none known

Summary

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)

Patch / fix

  • schneider-electric evlink_city_evc1s22p4_firmware 3.4.0.2
  • schneider-electric evlink_city_evc1s7p4_firmware 3.4.0.2
  • schneider-electric evlink_parking_evw2_firmware 3.4.0.2
  • schneider-electric evlink_parking_evf2_firmware 3.4.0.2
  • schneider-electric evlink_parking_evp2pe_firmware 3.4.0.2
  • schneider-electric evlink_smart_wallbox_evb1a_firmware 3.4.0.2

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Exploit prediction

0.82% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-918 Server-Side Request Forgery

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.