PT-2020-4311 · Microsoft · Windows

Yuki Chen · Published 2020-10-13 · Updated 2023-12-31 · CVE-2020-16936

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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

Description: The issue is related to errors in handling objects in memory within the Windows Backup Service of Microsoft Windows operating systems. This can allow an attacker to elevate their privileges. To exploit this, an attacker must first gain execution on the victim system and then run a specially crafted application. The estimated number of potentially affected devices worldwide is not available. There is no information about real-world incidents where this issue was exploited.

Recommendations: To resolve the issue, apply the security update that corrects how the Windows Backup Service handles file operations. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Privilege Management

Weakness Enumeration

CWE-269

Related Identifiers

BDU:2020-04808

CVE-2020-16936

Affected Products

Windows

References · 7

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16936 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-16936 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-16936 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16936 · Security Note
• https://bdu.fstec.ru/vul/2020-04808 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2020-16936 · Vendor Advisory
• https://t.me/cibsecurity/15349 · Telegram Post