CVE-2021-40855 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8