Vulnerability Monitor

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CVE-2021-22819


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)


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 4.3, indicating it can be exploited remotely over the network with relatively low complexity though user interaction is required and does not require pre-existing privileges . The vulnerability impacts limited integrity, for affected systems. Impacting 12 products from schneider-electric, from schneider-electric, from schneider-electric and 9 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2022, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2022-01-28T20:15:10.407

Last Modified

2024-11-21T05:50:44.230

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

8.6

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-1021

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System schneider-electric evlink_city_evc1s22p4_firmware < 3.4.0.2 Yes
Hardware schneider-electric evlink_city_evc1s22p4 - No
Operating System schneider-electric evlink_city_evc1s7p4_firmware < 3.4.0.2 Yes
Hardware schneider-electric evlink_city_evc1s7p4 - No
Operating System schneider-electric evlink_parking_evw2_firmware < 3.4.0.2 Yes
Hardware schneider-electric evlink_parking_evw2 - No
Operating System schneider-electric evlink_parking_evf2_firmware < 3.4.0.2 Yes
Hardware schneider-electric evlink_parking_evf2 - No
Operating System schneider-electric evlink_parking_evp2pe_firmware < 3.4.0.2 Yes
Hardware schneider-electric evlink_parking_evp2pe - No
Operating System schneider-electric evlink_smart_wallbox_evb1a_firmware < 3.4.0.2 Yes
Hardware schneider-electric evlink_smart_wallbox_evb1a - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For schneider-electric's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.