CVE Vulnerabilities

CVE-2021-22708

Improper Verification of Cryptographic Signature

Published: Jul 21, 2021 | Modified: Nov 21, 2024
CVSS 3.x
7.2
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
6.5 MEDIUM
AV:N/AC:L/Au:S/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu
root.io logo minimus.io logo echo.ai logo

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.

Weakness

The product does not verify, or incorrectly verifies, the cryptographic signature for data.

Affected Software

NameVendorStart VersionEnd Version
Evlink_city_evc1s22p4_firmwareSchneider-electric*r8_v3.4.0.1 (excluding)

References