CVE-2021-40855

CRITICAL

Europa Technical Specifications For Digital Covid Certificates < 1.1 - Improper Certificate Validation

Title source: rule
STIX 2.1

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.

Scores

CVSS v3 9.8
EPSS 0.0066
EPSS Percentile 46.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-295
Status published
Products (1)
europa/technical_specifications_for_digital_covid_certificates < 1.1
Published Jan 21, 2022
Tracked Since Feb 18, 2026