CVE-2020-15957 | BDVDB-2026-139656 Detail

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.

Impact#

No impact statement in the source data.

Weaknesses#

No weakness recorded in the source data.

References#

https://github.com/dp-3T/dp3t-sdk-backend
https://github.com/DP-3T/dp3t-sdk-backend/compare/v1.0.4...v1.1.0
https://github.com/DP-3T/dp3t-sdk-backend/security/advisories/GHSA-5m5q-3qw2-3xf3

Exploit#

No public exploit known

History#

Version 12020-07-30Record published in the CVE List.
Version 22024-08-04Most recent update recorded in the CVE List.