Microsoft Windows up to Server 2012 R2 Extensible Firmware Interface privilege escalation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$5k-$25k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows up to Server 2012 R2 and classified as critical. This affects an unknown function of the component Extensible Firmware Interface. The manipulation results in an unknown weakness. This vulnerability is known as CVE-2022-21899. It is possible to launch the attack remotely. No exploit is available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Microsoft Windows up to Server 2012 R2 (Operating System). Affected is an unknown code of the component Extensible Firmware Interface. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 01/11/2022 as confirmed security guidance (Website). The advisory is available at portal.msrc.microsoft.com. This vulnerability is traded as CVE-2022-21899. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 11/15/2024).

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

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.3

VulDB Base Score: 6.3
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 5.5
Vendor Vector (Microsoft): 🔍

CNA Base Score: 5.5
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: 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

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-2022-21899 (🔍)
GCVE (CVE): GCVE-0-2022-21899
GCVE (VulDB): GCVE-100-190110
scip Labs: https://www.scip.ch/en/?labs.20161215

Entryinfo

Created: 01/11/2022 22:21
Updated: 11/15/2024 05:32
Replaces Duplicates: 🔍
Changes: 01/11/2022 22:21 (31), 01/11/2022 22:25 (23), 01/12/2022 07:19 (1), 01/14/2022 16:02 (2), 01/14/2022 16:08 (11), 11/15/2024 05:32 (23)
Complete: 🔍
Cache ID: 216::103

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