PT-2020-2925 · Microsoft · Windows Backup Service+1

Edward Torkington + 2 · Published 2020-06-09 · Updated 2021-07-21 · CVE-2020-1271

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 lead to an elevation of privilege. To exploit this, an attacker must first gain execution on the victim system. This can potentially allow an attacker to elevate their privileges using a specially crafted application.

Recommendations 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:2020-03082

CVE-2020-1271

Affected Products

Windows

Windows Backup Service

References · 6

• https://osv.dev/vulnerability/CVE-2020-1271 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1271 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2020-1271 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-03082 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-1271 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1271 · Security Note