CVE-2019-0982 json
Denial of service in ASP.NET Core
published 7y ago modified 4mo ago also GHSA-4jxx-4qxw-prxm , EUVD-2022-2403
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 6.7%
- EPSS 6.7% chance of exploitation in 30 days, percentile 93%
- public exploits
- 0
- none known
Summary
A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.
Patch / fix
- nuget Microsoft.AspNetCore.SignalR.Protocols.MessagePack 1.0.11, 1.1.5
Is CVE-2019-0982 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
6.68% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| GitHub | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| nuget | Microsoft.AspNetCore.SignalR.Protocols.MessagePack | >=1.1.0, <1.1.5 >=1.0.0, <1.0.11 |
1.1.5 1.0.11 |
Affected products
- Microsoft ASP.NET Core
Classification
- Weakness
-
- CWE-19 Data Processing Errors
References
Sources
- CVE List CVE-2019-0982
- GitHub Advisory GHSA-4jxx-4qxw-prxm
- NVD CVE-2019-0982
Fencer Intel 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.