PT-2021-6044 · Microsoft · Windows Dns Server+1

Liubenjin + 3 · Published 2021-07-13 · Updated 2023-12-28 · CVE-2021-34444

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:N/AC:L/Au:S/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Windows DNS Server (affected versions not specified)

Description The issue is related to errors in processing DNS requests. It allows a remote attacker to cause a denial of service using a specially crafted DNS request.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2022-00637

CVE-2021-34444

Affected Products

Windows

Windows Dns Server

References · 9

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34444 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34444 · Security Note
• https://osv.dev/vulnerability/CVE-2021-34444 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-34444 · Security Note
• https://bdu.fstec.ru/vul/2022-00637 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-34444 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34444 · Vendor Advisory
• https://t.me/cvenotify/17873 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021071336 · Note