PT-2020-3807 · Microsoft · Windows Backup Engine+1

Yuki Chen · Published 2020-08-11 · Updated 2024-01-19 · CVE-2020-1543

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 Engine (affected versions not specified)

Description: The issue is related to an elevation of privilege vulnerability that occurs when the Windows Backup Engine improperly handles memory. To exploit this, an attacker must first gain execution on the victim system and then run a specially crafted application to elevate privileges. This vulnerability can be exploited by causing a buffer overflow in memory, allowing an attacker to increase their privileges.

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:2020-04169

CVE-2020-1543

Affected Products

Windows

Windows Backup Engine

References · 7

• https://bdu.fstec.ru/vul/2020-04169 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1543 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1543 · Security Note
• https://osv.dev/vulnerability/CVE-2020-1543 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2020-1543 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-1543 · Security Note
• https://cybersecurity-help.cz/vdb/SB2020081124 · Note