PT-2021-4837 · Microsoft · Windows Key Distribution Center+1

Published 2021-07-13 · Updated 2024-09-11 · CVE-2021-33764

Positive Technologies (AI Summary)

CVSS v2.0

7.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Windows Key Distribution Center (KDC) (affected versions not specified)

Description The issue is related to information disclosure in the Kerberos Key Distribution Center (KDC) service of Microsoft Windows operating systems. It allows a remote attacker to disclose protected information. The estimated number of potentially affected devices worldwide is not available. There is no information about real-world incidents where this issue was exploited. Technical details about exploitation include the potential for 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:2021-05565

CVE-2021-33764

Affected Products

Windows

Windows Key Distribution Center

References · 10

• https://osv.dev/vulnerability/CVE-2021-33764 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33764 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-05565 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-33764 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33764 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-33764 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33764 · Vendor Advisory
• https://cybersecurity-help.cz/vdb/SB2021071355 · Note
• https://twitter.com/fletch_ai/status/1834049384532922628 · Twitter Post
• https://t.me/aptreports/5302 · Telegram Post