Vulnerability · Published Jan 14, 2020 · Assigned by microsoft
CVE-2020-0602
High 7.5
In plain English
A high-severity security flaw in ASP.NET Core from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 8.1% (higher than 95% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)8.1%top 5.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| NuGet | microsoft.aspnetcore.all | 2.1.15 | GHSA-23cv-jh4v-vffm |
| NuGet | microsoft.aspnetcore.app | 3.1.1 | GHSA-23cv-jh4v-vffm |
| NuGet | microsoft.aspnetcore.app | 3.0.1 | GHSA-23cv-jh4v-vffm |
| NuGet | microsoft.aspnetcore.app | 2.1.15 | GHSA-23cv-jh4v-vffm |
| NuGet | microsoft.aspnetcore.app.runtime.linux-arm | 3.1.1 | GHSA-23cv-jh4v-vffm |
| NuGet | microsoft.aspnetcore.app.runtime.linux-arm64 | 3.1.1 | GHSA-23cv-jh4v-vffm |
| NuGet | microsoft.aspnetcore.app.runtime.linux-musl-x64 | 3.1.1 | GHSA-23cv-jh4v-vffm |
| NuGet | microsoft.aspnetcore.app.runtime.linux-x64 | 3.1.1 | GHSA-23cv-jh4v-vffm |
| NuGet | microsoft.aspnetcore.app.runtime.osx-x64 | 3.1.1 | GHSA-23cv-jh4v-vffm |
| NuGet | microsoft.aspnetcore.app.runtime.win-arm | 3.1.1 | GHSA-23cv-jh4v-vffm |
| NuGet | microsoft.aspnetcore.app.runtime.win-x64 | 3.1.1 | GHSA-23cv-jh4v-vffm |
| NuGet | microsoft.aspnetcore.app.runtime.win-x86 | 3.1.1 | GHSA-23cv-jh4v-vffm |
| NuGet | microsoft.aspnetcore.http.connections | 1.0.15 | GHSA-23cv-jh4v-vffm |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | ASP.NET Core | 2.13.03.1 |
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0602 x_refsource_MISC
- RHSA-2020:0130 vendor-advisory, x_refsource_REDHAT
- RHSA-2020:0134 vendor-advisory, x_refsource_REDHAT