Improper UI Layer Restriction in Schneider Electric EVlink Products
CVE-2021-22819

4.3MEDIUM

Key Information:

Vendor

Schneider Electric
Status
Evlink City Evc1s22p4 Firmware
Vendor
CVE Published:
28 January 2022

What is CVE-2021-22819?

An improper restriction of rendered UI layers or frames vulnerability exists within Schneider Electric's EVlink products. This flaw can be exploited to manipulate product settings or user accounts by deceiving users into interacting with a web interface that is presented within iframes. This could lead to significant security risks, enabling attackers to make unauthorized changes without the user's knowledge. Users are advised to ensure they update to versions R8 V3.4.0.2 or later to mitigate this risk.

References

https://download.schneider-electric.com/files?p_Doc_Ref=S...
x_refsource_MISC

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2021-22819 : Improper UI Layer Restriction in Schneider Electric EVlink Products