PT-2021-5658 · Microsoft · Windows Dns Server+1

Published 2021-07-13 · Updated 2023-12-28 · CVE-2021-34442

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

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

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

Description The issue is related to insufficient input validation in the Windows DNS Server component, allowing remote attackers to execute arbitrary code on the system. This can be exploited by a remote attacker to gain control over the system.

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:2022-00097

CVE-2021-34442

Affected Products

Windows

Windows Dns Server

References · 9

• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-34442 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-34442 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34442 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-34442 · Security Note
• https://osv.dev/vulnerability/CVE-2021-34442 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34442 · Security Note
• https://bdu.fstec.ru/vul/2022-00097 · Security Note
• https://t.me/cvenotify/17873 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021071336 · Note