CVE-2019-0982
Denial of service in ASP.NET Core
A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.
- Record
CVE-2019-0982- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-19
- Updated
- 2026-11-02
CVE List No score
A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.
- Record
CVE-2019-0982- Updated
- 2026-11-02
EUVDEUVD-2022-2403 No score
A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.
- Record
EUVD-2022-2403- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4jxx-4qxw-prxm
Denial of service in ASP.NET Core
A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.
- Record
GHSA-4jxx-4qxw-prxm- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSV
A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.
- Record
CVE-2019-0982- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVGHSA-4jxx-4qxw-prxm
Denial of service in ASP.NET Core
A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.
- Record
GHSA-4jxx-4qxw-prxm- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
Microsoft.AspNetCore.SignalR.Protocols.MessagePackNuGet |
1.1.0 up to 1.1.5 | 1.1.5 |
Microsoft.AspNetCore.SignalR.Protocols.MessagePackNuGet |
1.0.0 up to 1.0.11 | 1.0.11 |
Microsoft.AspNetCore.SignalR.Protocols.MessagePackNuGet |
1.0.0 up to 1.0.11, plus listed versions 1.0.11.0.21.0.31.0.4 |
1.0.11 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-0982 is a high vulnerability (CVSS 7.5) in Microsoft Asp.net Core, published May 16, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 6.68%, the 93rd percentile. Fixed in Microsoft.AspNetCore.SignalR.Protocols.MessagePack 1.1.5.