PT-2021-3827 · Microsoft · Windows

Jacob Lewellen · Published 2021-08-10 · Updated 2025-12-16 · CVE-2021-34487

Positive Technologies (AI Summary)

CVSS v2.0

7.2

High

Base vector

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

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

Description The issue is related to insufficient access restrictions in the Windows Event Tracing service of Microsoft Windows operating systems. It allows an attacker to potentially elevate their privileges. The vulnerability can be exploited to affect the system.

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

LPE

Improper Privilege Management

Weakness Enumeration

CWE-264

CWE-269

Related Identifiers

BDU:2021-04157

CVE-2021-34487

Affected Products

Windows

References · 11

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34487 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-34487 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34487 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-04157 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-34487 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-34487 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-34487 · Vendor Advisory
• https://t.me/cvenotify/19948 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021081036 · Note
• https://t.me/cveNotify/145983 · Telegram Post
• https://t.me/cvenotify/19947 · Telegram Post