A CWE-307 Improper Restriction of Excessive Authentication Attempts vulnerability exists…
Priority LOW 35CWE-307Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-307.
Summary
A CWE-307 Improper Restriction of Excessive Authentication Attempts vulnerability exists that could allow an attacker to gain unauthorized access to the charging station web interface by performing brute force attacks. 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)
Why it matters now
EPSS 0.01005 63rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 12
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:schneider-electric:evlink_city_evc1s22p4_firmware:*:*:*:*:*:*:*:* | before 3.4.0.2 | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:evlink_city_evc1s22p4:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:o:schneider-electric:evlink_city_evc1s7p4_firmware:*:*:*:*:*:*:*:* | before 3.4.0.2 | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:evlink_city_evc1s7p4:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:o:schneider-electric:evlink_parking_evw2_firmware:*:*:*:*:*:*:*:* | before 3.4.0.2 | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:evlink_parking_evw2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:o:schneider-electric:evlink_parking_evf2_firmware:*:*:*:*:*:*:*:* | before 3.4.0.2 | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:evlink_parking_evf2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:o:schneider-electric:evlink_parking_evp2pe_firmware:*:*:*:*:*:*:*:* | before 3.4.0.2 | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:evlink_parking_evp2pe:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
- cpe:2.3:o:schneider-electric:evlink_city_evc1s22p4_firmware:*:*:*:*:*:*:*:* Versions before 3.4.0.2 Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:evlink_city_evc1s22p4:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:o:schneider-electric:evlink_city_evc1s7p4_firmware:*:*:*:*:*:*:*:* Versions before 3.4.0.2 Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:evlink_city_evc1s7p4:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:o:schneider-electric:evlink_parking_evw2_firmware:*:*:*:*:*:*:*:* Versions before 3.4.0.2 Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:evlink_parking_evw2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:o:schneider-electric:evlink_parking_evf2_firmware:*:*:*:*:*:*:*:* Versions before 3.4.0.2 Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:evlink_parking_evf2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:o:schneider-electric:evlink_parking_evp2pe_firmware:*:*:*:*:*:*:*:* Versions before 3.4.0.2 Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:evlink_parking_evp2pe:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
Show 2 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:schneider-electric:evlink_smart_wallbox_evb1a_firmware:*:*:*:*:*:*:*:* | before 3.4.0.2 | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:evlink_smart_wallbox_evb1a:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
- cpe:2.3:o:schneider-electric:evlink_smart_wallbox_evb1a_firmware:*:*:*:*:*:*:*:* Versions before 3.4.0.2 Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:evlink_smart_wallbox_evb1a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-22818
- 2026-10-03 Alias added: GHSA-g234-r5wx-qx69
More Schneider Electric Evlink City Evc1s22p4 Firmware vulnerabilities
- TI-2021-05589 Hard-coded credentials in EVlink City , EVlink Parking , and EVlink Smart Wallbox CVSS 3.1CRITICAL 9.8
- TI-2021-05610 A CWE-259: Use of Hard-coded Password vulnerability exists in EVlink City (EVC1S22P4 /… CVSS 3.1CRITICAL 9.8
- TI-2021-05611 Hard-coded credentials in EVlink City , EVlink Parking , and EVlink Smart Wallbox CVSS 3.1CRITICAL 9.8
- TI-2021-05608 A CWE-331: Insufficient Entropy vulnerability exists in EVlink City (EVC1S22P4 / EVC1S7P4… CVSS 3.1CRITICAL 9.8
- TI-2021-05700 A CWE-614 Insufficient Session Expiration vulnerability exists that could allow an… CVSS 3.1CRITICAL 9.8
- TI-2021-05701 A CWE-918 Server-Side Request Forgery (SSRF) vulnerability exists that could cause the… CVSS 3.1HIGH 8.6
Sources
- CVE-2021-22818 · CVE Program
- CVE-2021-22818 · NVD
- FIRST EPSS
- GHSA-g234-r5wx-qx69 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences