PT-2020-4268 · Microsoft · Windows

Published 2020-10-13 · Updated 2023-12-31 · CVE-2020-16910

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: A security feature bypass issue exists due to Windows' failure to handle file creation permissions properly, potentially allowing an attacker to create files in a protected Unified Extensible Firmware Interface (UEFI) location. To exploit this, an attacker could run a specially crafted application to bypass UEFI variable security in Windows. The issue could allow an attacker to elevate their privileges.

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

Improper Preservation of Permissions

Weakness Enumeration

CWE-254

CWE-281

Related Identifiers

BDU:2020-04760

CVE-2020-16910

Affected Products

Windows

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2020-16910 · Security Note
• https://bdu.fstec.ru/vul/2020-04760 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16910 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-16910 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2020-16910 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16910 · Security Note
• https://cybersecurity-help.cz/vdb/SB2020101359 · Note