Critical severity9.8NVD Advisory· Published Jan 21, 2022· Updated Jun 17, 2026
CVE-2021-40855
CVE-2021-40855
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- EU/Technical Specifications for Digital COVID Certificatesdescription
- Range: <1.1
Patches
Vulnerability mechanics
References
2- github.com/eu-digital-green-certificates/dgc-overview/security/advisories/GHSA-xcvc-p4fw-qmcjnvdThird Party Advisory
- www.consilium.europa.eu/en/policies/coronavirus/eu-digital-covid-certificate/nvdProductVendor Advisory
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