PT-2021-2658 · Microsoft · Windows

Imre Rad · Published 2021-04-13 · Updated 2023-12-29 · CVE-2021-28321

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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 Diagnostics Hub Standard Collector Service of Microsoft Windows operating systems. This can allow an attacker to elevate their privileges. An elevation-of-privilege vulnerability exists, enabling attackers to impact 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

Link Following

Weakness Enumeration

CWE-269

CWE-59

Related Identifiers

BDU:2021-02187

CVE-2021-28321

Affected Products

Windows

References · 15

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28321 · Security Note
• https://osv.dev/vulnerability/CVE-2021-28321 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-28321 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28321 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-02187 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-28321 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-28321 · Vendor Advisory
• https://t.me/cvenotify/13510 · Telegram Post
• https://t.me/cvenotify/13507 · Telegram Post
• https://t.me/cvenotify/13358 · Telegram Post
• http://packetstormsecurity.com/files/162251/Microsoft-DiagHub-Privilege-Escalation.html · Note
• https://t.me/defcon_news/74087 · Telegram Post
• http://seclists.org/fulldisclosure/2021/Apr/40 · Note
• https://t.me/cvenotify/13508 · Telegram Post
• https://t.me/cybersecuritytechnologies/3220 · Telegram Post