Microsoft Windows up to Server 2022 Hyper-V denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows. It has been declared as problematic. This affects an unknown part of the component Hyper-V. Executing a manipulation can lead to denial of service. This vulnerability is handled as CVE-2022-21905. The attack can only be done within the local network. There is not any exploit available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability classified as problematic was found in Microsoft Windows (Operating System). This vulnerability affects some unknown processing of the component Hyper-V. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect integrity, and availability.

The weakness was released 01/11/2022 as confirmed security guidance (Website). The advisory is available at portal.msrc.microsoft.com. This vulnerability was named CVE-2022-21905. The technical details are unknown and an exploit is not available.

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

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Productinfo

Type

Vendor

Name

Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.1

VulDB Base Score: 4.6
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 4.6
Vendor Vector (Microsoft): 🔍

NVD Base Score: 8.0
NVD Vector: 🔍

CNA Base Score: 4.6
CNA Vector (Microsoft): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

12/14/2021 🔍
01/11/2022 +28 days 🔍
01/11/2022 +0 days 🔍
01/11/2022 +0 days 🔍
11/15/2024 +1038 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: portal.msrc.microsoft.com
Status: Confirmed

CVE: CVE-2022-21905 (🔍)
GCVE (CVE): GCVE-0-2022-21905
GCVE (VulDB): GCVE-100-190126
scip Labs: https://www.scip.ch/en/?labs.20161215

Entryinfo

Created: 01/11/2022 22:36
Updated: 11/15/2024 05:32
Changes: 01/11/2022 22:36 (34), 01/11/2022 22:40 (21), 01/14/2022 20:01 (2), 01/14/2022 20:08 (10), 11/15/2024 05:32 (33)
Complete: 🔍
Cache ID: 216::103

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