TI-2019-00341 Aliases CVE-2019-0548 GHSA-9pfr-cc3p-p98q

A denial of service vulnerability exists when ASP.NET Core improperly handles web…

MEDIUM 44CWE-19Published 2019-01-08 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · None · High
Fix status: Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.

Summary

A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka "ASP.NET Core Denial of Service Vulnerability." This affects ASP.NET Core 2.2, ASP.NET Core 2.1. This CVE ID is unique from CVE-2019-0564.

Why it matters now

EPSS 0.0821 94th percentileScored 2026-11-07

Fix Fixed Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Microsoft	ASP.NET Core	2.1; 2.2	—	No fix listed	CNA

ASP.NET Core VendorMicrosoft Affected 2.1; 2.2 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:microsoft:asp.net_core:2.1:::::::*	2.1	Vulnerable	Microsoft
cpe:2.3:a:microsoft:asp.net_core:2.2:::::::*	2.2	Vulnerable	Microsoft

cpe:2.3:a:microsoft:asp.net_core:2.1:*:*:*:*:*:*:* Versions 2.1 Vulnerable ·Microsoft
cpe:2.3:a:microsoft:asp.net_core:2.2:*:*:*:*:*:*:* Versions 2.2 Vulnerable ·Microsoft

Remediation

Red Hat 1 advisory

RHSA-2019:0040 Released 2019-01-09 · Red Hat rating Moderate
.NET Core on Red Hat Enterprise Linux security update
- .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) rh-dotnet21-2.1-6.el7, rh-dotnet21-dotnet-2.1.503-1.el7, rh-dotnet21-dotnet-host-2.1.7-1.el7 +12
- .NET Core on Red Hat Enterprise Linux Server (v. 7) rh-dotnet21-2.1-6.el7, rh-dotnet21-dotnet-2.1.503-1.el7, rh-dotnet21-dotnet-host-2.1.7-1.el7 +12
- .NET Core on Red Hat Enterprise Linux Workstation (v. 7) rh-dotnet21-2.1-6.el7, rh-dotnet21-dotnet-2.1.503-1.el7, rh-dotnet21-dotnet-host-2.1.7-1.el7 +12

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Advisory · 2019-01-08
Microsoft ASP.NET Core — RHSA-2019:0040
2 records Highest priority Priority MEDIUM 2 MEDIUM
Other records, highest priority first
- TI-2019-00356 A denial of service vulnerability exists when ASP.NET Core improperly handles web…Priority MEDIUM 44
Show all 2 records → Advisory →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Product	Status	Plan or fix
.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7)	Fixed	RHSA-2019:0040
.NET Core on Red Hat Enterprise Linux Server (v. 7)	Fixed	RHSA-2019:0040
.NET Core on Red Hat Enterprise Linux Workstation (v. 7)	Fixed	RHSA-2019:0040

Not affected: 3 products

.NET Core 1.0 on Red Hat Enterprise Linux
.NET Core 1.1 on Red Hat Enterprise Linux
Red Hat Enterprise Linux 8

Timeline

2026-10-02 Threatist record created from CVE-2019-0548
2026-10-03 Alias added: GHSA-9pfr-cc3p-p98q

References

Patch 1

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0548

Advisory 1

RHSA-2019:0040

TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
TI-2023-19596 .NET and Visual Studio Denial of Service Vulnerability KEVCVSS 3.1HIGH 7.5
TI-2025-34970 ASP.NET Security Feature Bypass Vulnerability CVSS 3.1CRITICAL 9.9
TI-2024-14164 .NET Denial of Service Vulnerability CVSS 3.1HIGH 7.5
TI-2023-18092 ASP.NET Core Denial of Service Vulnerability CVSS 3.1HIGH 8.2
TI-2023-18392 ASP.NET Core Security Feature Bypass Vulnerability CVSS 3.1MEDIUM 6.2

See all 40 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences