PT-2021-5209 · Microsoft · Windows

Ranchoice · Published 2021-07-13 · Updated 2023-12-28 · CVE-2021-34491

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 an information disclosure vulnerability in the win32k component of Microsoft Windows operating systems. This vulnerability can be exploited to reveal protected information. There is no information available about the estimated number of potentially affected devices worldwide or real-world incidents where this issue was exploited.

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:2021-06011

CVE-2021-34491

Affected Products

Windows

References · 9

• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-34491 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-34491 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-34491 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34491 · Security Note
• https://bdu.fstec.ru/vul/2021-06011 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-34491 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34491 · Vendor Advisory
• https://t.me/cvenotify/17889 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021071356 · Note