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Vulnerability CVE-2021-22708
Published: 2021-07-21
| Description: |
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. |
See advisories in our WLB2 database: | Topic | Author | Date |
Med. |
| Stefan Viehbock | 16.07.2021 |
Type:
CWE-347 (Improper Verification of Cryptographic Signature)
CVSS2 => (AV:N/AC:L/Au:S/C:P/I:P/A:P)
| CVSS Base Score |
Impact Subscore |
Exploitability Subscore |
6.5/10 |
6.4/10 |
8/10 |
| Exploit range |
Attack complexity |
Authentication |
Remote |
Low |
Single time |
| Confidentiality impact |
Integrity impact |
Availability impact |
Partial |
Partial |
Partial |
References: |
http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-194-06
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