High severity7.5NVD Advisory· Published Jul 30, 2020· Updated Jun 17, 2026
CVE-2020-15957
CVE-2020-15957
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.
Affected products
2- DP3T/DP3T-Backend-SDKdescription
- Range: <1.1.1
Patches
Vulnerability mechanics
References
2- github.com/DP-3T/dp3t-sdk-backend/security/advisories/GHSA-5m5q-3qw2-3xf3nvdPatchThird Party Advisory
- github.com/DP-3T/dp3t-sdk-backend/compare/v1.0.4...v1.1.0nvdRelease NotesThird Party Advisory
News mentions
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