PT-2025-1109 · Microsoft · Windows

Zammis Clark · Published 2025-01-14 · Updated 2025-08-19 · CVE-2025-21213

Positive Technologies (AI Summary)

CVSS v2.0

4.9

Medium

Base vector

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

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

Description The issue is related to errors in access control within the Secure Boot protocol implementation in the Windows operating system. This can allow an attacker to disclose protected information. There is no information provided about the estimated number of potentially affected devices worldwide or details about 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.

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

BDU:2025-00365

CVE-2025-21213

Affected Products

Windows

References · 8

• https://bdu.fstec.ru/vul/2025-00365 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21213 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-21213 · Security Note
• https://osv.dev/vulnerability/CVE-2025-21213 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-21213 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-21213 · Security Note
• https://twitter.com/CVEnew/status/1879490173727314229 · Twitter Post
• https://twitter.com/dailycve/status/1883965130364572096 · Twitter Post