CVE-2021-22820
Last modified
CVE-2021-22820 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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). EPSS estimates a 1.08% chance of exploitation in the next 30 days.
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)
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| 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 |
References
- https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-348-02Patch, Vendor Advisory
- https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-348-02Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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