PT-2021-4835 · Microsoft · Windows

Published 2021-07-13 · Updated 2023-12-28 · CVE-2021-33788

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

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

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

Description The issue is related to insufficient input validation in the Windows Local Security Authority (LSA) system, which can be exploited by a remote attacker to cause a denial of service.

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

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2021-05563

CVE-2021-33788

Affected Products

Windows

References · 9

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33788 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-33788 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-33788 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33788 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-33788 · Security Note
• https://bdu.fstec.ru/vul/2021-05563 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33788 · Security Note
• https://t.me/cvenotify/17844 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021071364 · Note