CVE-2019-0721 — Improper Input Validation in Microsoft Windows

CWE-20 — Improper Input Validation17 documents9 sources
Severity
9.1CRITICALNVD
EPSS
2.0%
top 16.17%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Microsoft WindowsMicrosoft Windows 10 Version 1903 FOR X64-based SystemsMicrosoft Windows Server+4 more
Timeline
PublishedNov 12
Latest updateMay 24

Description

A remote code execution vulnerability exists when Windows Hyper-V Network Switch on a host server fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2019-0719.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:HExploitability: 2.3 | Impact: 6.0

Affected Packages5 packages

▶CVEListV5microsoft/windows_server13 versions+12
▶CVEListV5microsoft/windows6 versions+5
▶NVDmicrosoft/windowsr2, 1803, 1903+2
▶NVDmicrosoft/windows_105 versions+4

Patches

Patch: portal.msrc.microsoft.com ↗Patch: portal.msrc.microsoft.com ↗

🔴Vulnerability Details

4
GHSA
GHSA-c9x8-4v35-37qf: A remote code execution vulnerability exists when Windows Hyper-V Network Switch on a host server fails to properly validate input from an authenticat↗2022-05-24
▶
GHSA
GHSA-wgjq-j646-4ghv: A remote code execution vulnerability exists when Windows Hyper-V Network Switch on a host server fails to properly validate input from an authenticat↗2022-05-24
▶
CVEList
CVE-2019-0721: A remote code execution vulnerability exists when Windows Hyper-V Network Switch on a host server fails to properly validate input from an authenticat↗2019-11-12
▶
CVEList
CVE-2019-0719: A remote code execution vulnerability exists when Windows Hyper-V Network Switch on a host server fails to properly validate input from an authenticat↗2019-11-12
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💥Exploits & PoCs

3
Metasploit
Microsoft Exchange ProxyLogon Collector↗
▶
Metasploit
Microsoft Exchange ProxyLogon Scanner↗
▶
Metasploit
Microsoft Exchange ProxyLogon RCE↗
▶

📋Vendor Advisories

1
Microsoft
Hyper-V Remote Code Execution Vulnerability↗2019-11-12
▶

🕵️Threat Intelligence

7
Trendmicro
November Patch Tuesday: 74 Fixes Before Major Update↗2019-11-13
▶
Trendmicro
November Patch Tuesday: 74 Fixes Before Major Update↗2019-11-13
▶
Qualys
November 2019 Patch Tuesday – 74 vulns, 13 Critical, Actively Attacked IE vuln, Hyper-V escapes, Adobe↗2019-11-12
▶
Talos
Microsoft Patch Tuesday — Nov. 2019: Vulnerability disclosures and Snort coverage↗2019-11-12
▶
Talos
Microsoft Patch Tuesday — Nov. 2019: Vulnerability disclosures and Snort coverage↗2019-11-12
▶
CVE-2019-0721 — Improper Input Validation in Microsoft | cvebase