Vulnerability CVE-2021-40855
Published: 2022-01-21

Description:
The EU Technical Specifications for Digital COVID Certificates before 1.1 mishandle certificate governance. A non-production public key certificate could have been used in production.

Type:

CWE-295

 (Certificate Issues)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Europa -> Technical specifications for digital covid certificates 

 References:
https://www.consilium.europa.eu/en/policies/coronavirus/eu-digital-covid-certificate/
https://github.com/eu-digital-green-certificates/dgc-overview/security/advisories/GHSA-xcvc-p4fw-qmcj
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