CVE-2020-15957

Katalog CVE

CVSS 7.5 · High EPSS 1,4%

Kerentanan Improper Verification of Cryptographic Signature pada dp3t-backend-software development kit project dp3t-backend-software development kit. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

30 Juli 2020

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

7.5 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-347: Improper Verification of Cryptographic Signature

EPSS (30 hari)

1,4% peluang dieksploitasi; lebih tinggi dari 71,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/DP-3T/dp3t-sdk-backend/security/advisories/GHSA-5m5q-3qw2-3xf3 patch · advisory pihak ketiga
• https://github.com/DP-3T/dp3t-sdk-backend/compare/v1.0.4...v1.1.0 release notes · advisory pihak ketiga
• https://github.com/dp-3T/dp3t-sdk-backend advisory pihak ketiga