High MSRC-CVE-2021-34499 1 CVE

Windows DNS Server Denial of Service Vulnerability

Published Jul 13, 2021 · Updated Jul 13, 2021

Vendor: Microsoft

Summary

Impact: Denial of Service. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

Details

Security updates
10.0.17763.2061 — https://support.microsoft.com/help/5004244
10.0.19041.1110 — https://support.microsoft.com/help/5004237
10.0.14393.4530 — https://support.microsoft.com/help/5004238
6.0.6003.21167 — https://support.microsoft.com/help/5004305
6.0.6003.21167 — https://support.microsoft.com/help/5004299
6.1.7601.25661 — https://support.microsoft.com/help/5004289
6.1.7601.25661 — https://support.microsoft.com/help/5004307
6.2.9200.23409 — https://support.microsoft.com/help/5004294
6.2.9200.23409 — https://support.microsoft.com/help/5004302
6.3.9600.20069 — https://support.microsoft.com/help/5004298
6.3.9600.20069 — https://support.microsoft.com/help/5004285

Vulnerabilities 1

Medium 6.5

CVE-2021-34499

Windows DNS Server Denial of Service Vulnerability

Windows DNS Server Denial of Service Vulnerability

Microsoft Windows Server 2019 Windows Server 2019 (Server Core installation) Windows Server 2016 Windows

Jul 14, 2021

Revision history

2021-07-13 #1
Information published.

References

CVE-2021-34499 Windows DNS Server Denial of Service Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34499
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
Common Vulnerability Scoring System
https://www.first.org/cvss