{"cve":"CVE-2021-22820","nvd":{"published":"2022-01-28T20:15:10.463","modified":"2026-06-17T03:37:51.360","status":"Modified","description":"A CWE-614 Insufficient Session Expiration vulnerability exists that could allow an attacker to maintain an unauthorized access over a hijacked session to the charger station web server even after the legitimate user account holder has changed his password. 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_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-613"],"references":["https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-348-02","https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-348-02"],"products":["schneider-electric:evlink_city_evc1s22p4_firmware","schneider-electric:evlink_city_evc1s7p4_firmware","schneider-electric:evlink_parking_evf2_firmware","schneider-electric:evlink_parking_evp2pe_firmware","schneider-electric:evlink_parking_evw2_firmware","schneider-electric:evlink_smart_wallbox_evb1a_firmware"],"source":"nvd","synced_at":"2026-10-19T21:27:20.926095847+00:00"},"epss":{"cve":"CVE-2021-22820","score":0.01084,"percentile":0.65238,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}