PT-2021-4798 · Microsoft · Windows Installer+1

Asaf Rubinfeld + 2 · Published 2021-07-13 · Updated 2023-12-28 · CVE-2021-33765

Positive Technologies (AI Summary)

CVSS v3.1

6.2

Medium

Base vector

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

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

Description The issue is related to errors in the representation of information by the user interface of the Windows Installer component in Microsoft Windows operating systems. This can allow an attacker to conduct spoofing attacks.

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

UI Misrepresentation of Critical Information

Weakness Enumeration

CWE-451

Related Identifiers

BDU:2021-05523

CVE-2021-33765

Affected Products

Windows

Windows Installer

References · 10

• https://osv.dev/vulnerability/CVE-2021-33765 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-33765 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-33765 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33765 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-05523 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33765 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33765 · Security Note
• https://t.me/cvenotify/17611 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021071337 · Note
• https://fortiguard.com/zeroday/FG-VD-21-048 · Note