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HIGH · 8.6

CVE-2021-22821

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 submit...

Vulnerability 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)

CVSS Score

8.6

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
Schneider-ElectricEvlink City Evc1S22P4 Firmware< 3.4.0.2
Schneider-ElectricEvlink City Evc1S22P4-
Schneider-ElectricEvlink City Evc1S7P4 Firmware< 3.4.0.2
Schneider-ElectricEvlink City Evc1S7P4-
Schneider-ElectricEvlink Parking Evw2 Firmware< 3.4.0.2
Schneider-ElectricEvlink Parking Evw2-
Schneider-ElectricEvlink Parking Evf2 Firmware< 3.4.0.2
Schneider-ElectricEvlink Parking Evf2-
Schneider-ElectricEvlink Parking Evp2Pe Firmware< 3.4.0.2
Schneider-ElectricEvlink Parking Evp2Pe-
Schneider-ElectricEvlink Smart Wallbox Evb1A Firmware< 3.4.0.2
Schneider-ElectricEvlink Smart Wallbox Evb1A-

Related Weaknesses (CWE)

CWE-918

References

FAQ

What is CVE-2021-22821?

CVE-2021-22821 is a vulnerability with a CVSS score of 8.6 (HIGH). 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 submit...

How severe is CVE-2021-22821?

CVE-2021-22821 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-22821?

Check the references section above for vendor advisories and patch information. Affected products include: Schneider-Electric Evlink City Evc1S22P4 Firmware, Schneider-Electric Evlink City Evc1S22P4, Schneider-Electric Evlink City Evc1S7P4 Firmware, Schneider-Electric Evlink City Evc1S7P4, Schneider-Electric Evlink Parking Evw2 Firmware.