Microsoft Windows up to Server 2019 Kernel-Mode Driver privilege escalation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.3$5k-$25k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows up to Server 2019. It has been rated as critical. The impacted element is an unknown function of the component Kernel-Mode Driver. This manipulation causes an unknown weakness. This vulnerability is handled as CVE-2021-31952. The attack can be initiated remotely. There is not any exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as critical was found in Microsoft Windows up to Server 2019 (Operating System). Affected by this vulnerability is an unknown function of the component Kernel-Mode Driver. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 06/08/2021 as confirmed security guidance (Website). It is possible to read the advisory at portal.msrc.microsoft.com. This vulnerability is known as CVE-2021-31952. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 06/09/2021).

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 7.3

VulDB Base Score: 8.8
VulDB Temp Score: 7.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 7.8
Vendor Vector (Microsoft): 🔍

CVSSv2info

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

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

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

04/30/2021 🔍
06/08/2021 +39 days 🔍
06/08/2021 +0 days 🔍
06/09/2021 +0 days 🔍
06/10/2021 +1 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

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

CVE: CVE-2021-31952 (🔍)
GCVE (CVE): GCVE-0-2021-31952
GCVE (VulDB): GCVE-100-176491
scip Labs: https://www.scip.ch/en/?labs.20161215

Entryinfo

Created: 06/09/2021 06:39
Updated: 06/10/2021 19:57
Changes: 06/09/2021 06:39 (33), 06/09/2021 06:42 (21), 06/09/2021 06:43 (1), 06/10/2021 19:57 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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