PT-2021-2633 · Microsoft · Windows

Hackyzh + 1 · CVE-2021-28309 · Published 2021-04-13 · Updated 2026-03-10

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

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

Description: The issue is related to insufficient protection of internal data in the Windows operating system, which can allow an attacker to gain unauthorized access to protected information. This can potentially enable attackers to obtain sensitive information and affect the system.

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

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

BDU:2021-02123

CVE-2021-28309

Affected Products

Windows

References · 8

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28309 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-28309 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-28309 · Security Note
• https://bdu.fstec.ru/vul/2021-02123 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28309 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-28309 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-28309 · Vendor Advisory
• https://t.me/cvenotify/13305 · Telegram Post