PT-2021-2275 · Microsoft · Windows

Abdelhamid Naceri + 1 · Published 2021-03-09 · Updated 2023-12-29 · CVE-2021-26892

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 (affected versions not specified)

Description The issue is related to a security feature bypass vulnerability in the Windows Extensible Firmware Interface. This vulnerability allows attackers to bypass existing security restrictions. 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.

Weakness Enumeration

CWE-254

Related Identifiers

BDU:2021-01358

CVE-2021-26892

ZDI-21-330

Affected Products

Windows

References · 12

• https://nvd.nist.gov/vuln/detail/CVE-2021-26892 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-21-330 · Security Note
• https://bdu.fstec.ru/vul/2021-01358 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-26892 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26892 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26892 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-26892 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26892 · Security Note
• https://cybersecurity-help.cz/vdb/SB2021030958 · Note
• https://t.me/cybersecuritytechnologies/3765 · Telegram Post
• https://t.me/pentestingnews/6509 · Telegram Post
• https://t.me/cvenotify/11795 · Telegram Post