CVE-2020-15957
CVSS V2 Medium 5
CVSS V3 High 7.5
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.
Overview
- CVE ID
- CVE-2020-15957
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2020-07-30T14:15:12
- Last Modified Date
- 2020-08-05T18:47:09
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:dp3t-backend-software_development_kit_project:dp3t-backend-software_development_kit:*:*:*:*:*:*:*:* | 1 | OR | 1.1.1 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/DP-3T/dp3t-sdk-backend/compare/v1.0.4...v1.1.0 | Release Notes Third Party Advisory |
| https://github.com/DP-3T/dp3t-sdk-backend/security/advisories/GHSA-5m5q-3qw2-3xf3 | Patch Third Party Advisory |
| https://github.com/dp-3T/dp3t-sdk-backend | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-15957 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15957 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:25:53 | Added to TrackCVE | |||
| 2022-12-04 20:28:41 | 2020-07-30T14:15Z | 2020-07-30T14:15:12 | CVE Published Date | updated |
| 2022-12-04 20:28:41 | 2020-08-05T18:47:09 | CVE Modified Date | updated | |
| 2022-12-04 20:28:41 | Analyzed | Vulnerability Status | updated |