CVE-2019-1075 json
Open redirect in ASP.NET Core
published 2019-07-15 7 y ago modified 2026-06-17 4 mo ago also GHSA-prrf-397v-83xh , EUVD-2022-4821
- cvss
- 6.1
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.6%
- EPSS 2.6% chance of exploitation in 30 days, percentile 85%
- public exploits
- 0
- none known
Summary
A spoofing vulnerability exists in ASP.NET Core that could lead to an open redirect, aka 'ASP.NET Core Spoofing Vulnerability'.
Patch / fix
- nuget Microsoft.AspNetCore.App 2.1.12, 2.2.6
- nuget Microsoft.AspNetCore.All 2.1.12, 2.2.6
- nuget Microsoft.AspNetCore.Server.IIS 2.2.6
- nuget Microsoft.AspNetCore.Server.HttpSys 2.1.12, 2.2.6
Exploit prediction
2.64% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
| GitHub | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| nuget | Microsoft.AspNetCore.App | >=2.2.0, <2.2.6 >=2.1.0, <2.1.12 |
2.2.6 2.1.12 |
| nuget | Microsoft.AspNetCore.All | >=2.2.0, <2.2.6 >=2.1.0, <2.1.12 |
2.2.6 2.1.12 |
| nuget | Microsoft.AspNetCore.Server.IIS | >=2.2.0, <2.2.6 |
2.2.6 |
| nuget | Microsoft.AspNetCore.Server.HttpSys | >=2.2.0, <2.2.6 >=2.1.0, <2.1.12 |
2.2.6 2.1.12 |
Affected products
- Microsoft ASP.NET Core
Classification
- Weakness
-
- CWE-601 URL Redirection to Untrusted Site
References
Sources
- CVE List CVE-2019-1075
- GitHub Advisory GHSA-prrf-397v-83xh
- NVD CVE-2019-1075
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.