CVE-2020-1350

10.0 CRITICAL CISA KEV - Actively Exploited

Published: July 14, 2020 Modified: October 29, 2025

Description

A remote code execution vulnerability exists in Windows Domain Name System servers when they fail to properly handle requests, aka 'Windows DNS Server Remote Code Execution Vulnerability'.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://packetstormsecurity.com/files/158484/SIGRed-Windows-DNS-Denial-Of-Service.html

Source: secure@microsoft.com

Third Party Advisory VDB Entry

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1350

Source: secure@microsoft.com

Patch Vendor Advisory

http://packetstormsecurity.com/files/158484/SIGRed-Windows-DNS-Denial-Of-Service.html

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory VDB Entry

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1350

Source: af854a3a-2127-422b-91ae-364da2661108

Patch Vendor Advisory

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1350

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

US Government Resource

5 reference(s) from NVD

Quick Stats

CVSS v3 Score

10.0 / 10.0

EPSS (Exploit Probability)

93.8%

100th percentile

Exploitation Status

Actively Exploited

Remediation due: 2022-05-03

Weaknesses (CWE)

CWE-20

Affected Vendors

microsoft

Related CVEs