PT-2025-1164 · Microsoft · Windows

Asna Farooqui · Published 2025-01-14 · Updated 2025-01-24 · CVE-2025-21242

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

AV:N/AC:H/PR:N/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 the Kerberos protocol implementation in Windows, which is associated with insufficient protection of service data. This can allow a remote attacker to disclose protected information. There is no information provided 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:2025-00445

CVE-2025-21242

Affected Products

Windows

References · 8

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21242 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-21242 · Security Note
• https://bdu.fstec.ru/vul/2025-00445 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-21242 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-21242 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-21242 · Security Note
• https://twitter.com/CVEnew/status/1880761192068555211 · Twitter Post
• https://t.me/cvenotify/108566 · Telegram Post