PT-2020-4269 · Microsoft · Windows

Published 2020-10-13 · Updated 2023-12-31 · CVE-2020-16894

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

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

Description: A denial of service issue exists due to improper input validation in Windows Network Address Translation (NAT) when a privileged user on a guest operating system interacts with a host server. This could allow an attacker, who already has a privileged account on a guest operating system running as a virtual machine, to cause the host server to crash by running a specially crafted application. The vulnerability is related to a buffer overflow in memory when Windows NAT is accessed.

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:2020-04761

CVE-2020-16894

Affected Products

Windows

References · 7

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16894 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-04761 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-16894 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2020-16894 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-16894 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16894 · Security Note
• https://cybersecurity-help.cz/vdb/SB2020101351 · Note