VULNERABILITY INTELLIGENCE

CVE-2019-0820

CVSS score7.5 HIGH

EPSS probability5.72%

CISA KEVNot currently listed

Published2019-05-16

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

A denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings, aka '.NET Framework and .NET Core Denial of Service Vulnerability'. This CVE ID is unique from CVE-2019-0980, CVE-2019-0981.

Weakness classification

CWE-400: Uncontrolled Resource Consumption

Primary references

secure@microsoft.com — Third Party Advisory
secure@microsoft.com — Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory