CVE-2021-22819 Cross-site request forgery in n/a

Medium 4.3 Published 28 Jan 2022 Updated 3 Aug 2024

Attackers can trick users into modifying settings or accounts via iframes in the web interface of Schneider EVlink charging stations.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2021-22819?

CVE-2021-22819 is a medium-severity vulnerability in n/a, published on 28 Jan 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A CWE-1021 Improper Restriction of Rendered UI Layers or Frames vulnerability exists that could cause unintended modifications of the product settings or user accounts when deceiving the user to use the web interface rendered within iframes. 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)

Weakness: CWE-1021

Which versions are affected by CVE-2021-22819?

It affects 6 products.

Products include Schneider-Electric Evlink City Evc1s22p4 Firmware, Schneider-Electric Evlink City Evc1s7p4 Firmware, Schneider-Electric Evlink Parking Evf2 Firmware, Schneider-Electric Evlink Parking Evp2pe Firmware, Schneider-Electric Evlink Parking Evw2 Firmware, Schneider-Electric Evlink Smart Wallbox Evb1a Firmware.

How do I fix CVE-2021-22819?

No fix has been published for CVE-2021-22819 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-22819 being exploited?

There is no known exploitation of CVE-2021-22819 in the wild and no public exploit code.

Sources

Also known as GHSA-27h5-6x4r-4343.