PT-2021-5715 · Microsoft · Windows Dns Server+1

Yuki Chen · Published 2021-07-13 · Updated 2023-12-28 · CVE-2021-34494

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/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 incorrect code generation management in the DNS Server component of the Microsoft Windows operating system. It allows a remote attacker to execute arbitrary code, potentially impacting the system.

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

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

BDU:2022-00157

CVE-2021-34494

Affected Products

Windows

Windows Dns Server

References · 11

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34494 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-34494 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34494 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-00157 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-34494 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34494 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-34494 · Vendor Advisory
• https://t.me/cibsecurity/26159 · Telegram Post
• https://t.me/cvenotify/17858 · Telegram Post
• https://t.me/true_secator/1917 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021071336 · Note