Vulnerability Monitor

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CVE-2021-22708

A CWE-347: Improper Verification of Cryptographic Signature vulnerability exists in EVlink City (EVC1S22P4 / EVC1S7P4 all versions prior to R8 V3.4.0.1), EVlink Parking (EVW2 / EVF2 / EV.2 all versions prior to R8 V3.4.0.1), and EVlink Smart Wallbox (EVB1A all versions prior to R8 V3.4.0.1 ) that could allow an attacker to craft a malicious firmware package and bypass the signature verification mechanism.

Published

2021-07-21T15:15:14.270

Last Modified

2024-11-21T05:50:30.300

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.2 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: SINGLE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

8.0

Impact Score

6.4

Weaknesses
  • Type: Secondary
    CWE-347
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System schneider-electric evlink_city_evc1s22p4_firmware < r8_v3.4.0.1 Yes
Hardware schneider-electric evlink_city_evc1s22p4 - No
Operating System schneider-electric evlink_city_evc1s7p4_firmware < r8_v3.4.0.1 Yes
Hardware schneider-electric evlink_city_evc1s7p4 - No
Operating System schneider-electric evlink_parking_evw2_firmware < r8_v3.4.0.1 Yes
Hardware schneider-electric evlink_parking_evw2 - No
Operating System schneider-electric evlink_parking_evf2_firmware < r8_v3.4.0.1 Yes
Hardware schneider-electric evlink_parking_evf2 - No
Operating System schneider-electric evlink_parking_ev.2_firmware < r8_v3.4.0.1 Yes
Hardware schneider-electric evlink_parking_ev.2 - No
Operating System schneider-electric evlink_smart_wallbox_evb1a_firmware < r8_v3.4.0.1 Yes
Hardware schneider-electric evlink_smart_wallbox_evb1a - No
References