Vulnerability in Dp3t-Backend-Software Development Kit Project
CVE-2020-15957
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.014 (70.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/dp-3T/dp3t-sdk-backend (Third Party Advisory)
- github.com/DP-3T/dp3t-sdk-backend/compare/v1.0.4...v1.1.0 (Third Party Advisory, Release Notes)
- github.com/DP-3T/dp3t-sdk-backend/security/advisories/GHSA-5m5q-3qw2-3xf3 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-15957?
- CVE-2020-15957 is a high-severity vulnerability in Dp3t-Backend-Software Development Kit Project, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.5/10. Published 2020-07-30.
- How severe is CVE-2020-15957?
- High severity. CVSS v3 base score is 7.5 out of 10.