CVE-2020-15957

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

An issue was discovered in DP3T-Backend-SDK before 1.1.1 for Decentralised Privacy-Preserving Proximity Tracing (DP3T). When it is configured to check JWT before uploading/publishing keys, it is possible to skip the signature check by providing a JWT token with alg=none.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-347

Affected software

No affected versions have been published.

Timeline

Published
Jul 30, 2020
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2020-15957: High severity, CVSS 7.5 | Vulnix