PT-2020-4276 · Microsoft · Windows Backup Service+1

Yuki Chen · Published 2020-10-13 · Updated 2023-12-31 · CVE-2020-16912

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: Windows Backup Service (affected versions not specified)

Description: The issue is related to the improper handling of file operations by the Windows Backup Service, which 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: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

BDU:2020-04768

CVE-2020-16912

Affected Products

Windows

Windows Backup Service

References · 8

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16912 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-16912 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-04768 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2020-16912 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16912 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-16912 · Security Note
• https://t.me/cibsecurity/15349 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2020101316 · Note