CVE-2019-1302 json
Elevation of privilege in ASP.NET Core
published 2019-09-11 7 y ago modified 2026-06-17 4 mo ago also GHSA-xr8f-59pp-rxxh , EUVD-2022-5851
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.8%
- EPSS 4.8% chance of exploitation in 30 days, percentile 92%
- public exploits
- 0
- none known
Summary
An elevation of privilege vulnerability exists when a ASP.NET Core web application, created using vulnerable project templates, fails to properly sanitize web requests, aka 'ASP.NET Core Elevation Of Privilege Vulnerability'.
Patch / fix
- nuget Microsoft.AspNetCore.SpaServices 2.1.13, 2.2.7
Exploit prediction
4.85% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| nuget | Microsoft.AspNetCore.SpaServices | >=2.2.0, <2.2.7 >=2.1.0, <2.1.13 |
2.2.7 2.1.13 |
Affected products
- Microsoft ASP.NET Core
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
Sources
- CVE List CVE-2019-1302
- GitHub Advisory GHSA-xr8f-59pp-rxxh
- NVD CVE-2019-1302
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.