CVE-2021-22821: schneider-electric evlink_city_evc1s22p4_firmware Server-Side Request Forgery (SSRF)

Vulnerability summary

CVE-2021-22821 is a high (CVSS 8.6) Server-Side Request Forgery (SSRF) vulnerability in schneider-electric evlink_city_evc1s22p4_firmware. EPSS estimates a 0.82% chance of exploitation in the next 30 days, higher than 56.5% of scored vulnerabilities.

Timeline

1. 28-01-2022
   PublishedVulnerability first disclosed.
2. 03-08-2024
   Last modifiedVulnerability information updated.

Description

A CWE-918 Server-Side Request Forgery (SSRF) vulnerability exists that could cause the station web server to forward requests to unintended network targets when crafted malicious parameters are submitted to the charging station web server. 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)

• CWE-918Server-Side Request Forgery (SSRF)The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.