PT-2020-3802 · Microsoft · Windows Custom Protocol Engine+1

Pgboy · Published 2020-08-11 · Updated 2024-01-19 · CVE-2020-1527

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 Custom Protocol Engine (affected versions not specified)

Description: The issue is caused by a buffer overflow in memory due to improper handling by the Windows Custom Protocol Engine. To exploit this, an attacker must first gain execution on the victim system and then run a specially crafted application to elevate 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:2020-04164

CVE-2020-1527

Affected Products

Windows

Windows Custom Protocol Engine

References · 7

• https://osv.dev/vulnerability/CVE-2020-1527 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1527 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1527 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-1527 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2020-1527 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-04164 · Security Note
• https://cybersecurity-help.cz/vdb/SB2020081220 · Note