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Fencer Vulns
medium 6.1

CVE-2021-22706 json

A CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability exists in EVlink City (EVC1S22…

published 2021-07-21 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-9841

cvss
6.1
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 55%
public exploits
0
none known

Summary

A CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability exists in EVlink City (EVC1S22P4 / EVC1S7P4 all versions prior to R8 V3.4.0.1), EVlink Parking (EVW2 / EVF2 / EV.2 all versions prior to R8 V3.4.0.1), and EVlink Smart Wallbox (EVB1A all versions prior to R8 V3.4.0.1 ) that could allow an attacker to impersonate the user who manages the charging station or carry out actions on their behalf when crafted malicious parameters are submitted to the charging station web server.

Patch / fix

  • schneider-electric evlink_city_evc1s22p4_firmware r8_v3.4.0.1
  • schneider-electric evlink_city_evc1s7p4_firmware r8_v3.4.0.1
  • schneider-electric evlink_parking_evw2_firmware r8_v3.4.0.1
  • schneider-electric evlink_parking_evf2_firmware r8_v3.4.0.1
  • schneider-electric evlink_parking_ev.2_firmware r8_v3.4.0.1
  • schneider-electric evlink_smart_wallbox_evb1a_firmware r8_v3.4.0.1

Exploit prediction

0.75% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

  • n/a EVlink City (EVC1S22P4 / EVC1S7P4 all versions prior to R8 V3.4.0.1), EVlink Parking (EVW2 / EVF2 / EV.2 all versions prior to R8 V3.4.0.1), and EVlink Smart Wallbox (EVB1A all versions prior to R8 V3.4.0.1 )

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns 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.