CVE-2020-15957

—

CVSS 3.1

7.5 high

EPSS

1%p70

Published

Jul 30, 2020 (Jul 30, 2020)

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.

Vendors: dp3t-backend-software development kit project
Products: dp3t-backend-software development kit
Weakness: CWE-347
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (1.4%)

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