CVE-2021-40855

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 v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.consilium.europa.eu/en/policies/coronavirus/eu-digital-covid-certificate/	Product Vendor Advisory
https://github.com/eu-digital-green-certificates/dgc-overview/security/advisories/GHSA-xcvc-p4fw-qmcj	Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:europa:technical_specifications_for_digital_covid_certificates:*:*:*:*:*:*:*:*

Information

Published : 2022-01-21 08:15

Updated : 2022-01-27 10:45

NVD link : CVE-2021-40855

Mitre link : CVE-2021-40855

JSON object : View

CWE

CWE-295

Improper Certificate Validation

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Products Affected

europa

technical_specifications_for_digital_covid_certificates

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