Microsoft Windows 10 20H2/10 2004/Server 20H2/Server 2004 Event Logging Service privileges management

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 10 20H2/10 2004/Server 20H2/Server 2004. It has been classified as critical. Affected is an unknown function of the component Event Logging Service. This manipulation causes an unknown weakness. This vulnerability appears as CVE-2021-1703. The attack requires local access. There is no available exploit. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability has been found in Microsoft Windows 10 20H2/10 2004/Server 20H2/Server 2004 (Operating System) and classified as critical. Affected by this vulnerability is an unknown code block of the component Event Logging Service. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 01/12/2021 as confirmed security guidance (Website). It is possible to read the advisory at portal.msrc.microsoft.com. This vulnerability is known as CVE-2021-1703. 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 10/09/2024). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

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

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.8
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

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

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.8
CNA Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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

12/02/2020 🔍
01/12/2021 +41 days 🔍
01/12/2021 +0 days 🔍
01/13/2021 +0 days 🔍
10/09/2024 +1365 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

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

CVE: CVE-2021-1703 (🔍)
GCVE (CVE): GCVE-0-2021-1703
GCVE (VulDB): GCVE-100-167683
scip Labs: https://www.scip.ch/en/?labs.20161215

Entryinfo

Created: 01/13/2021 10:19
Updated: 10/09/2024 09:10
Changes: 01/13/2021 10:19 (29), 01/13/2021 10:20 (5), 01/13/2021 10:25 (20), 02/12/2021 08:28 (2), 02/12/2021 08:33 (18), 10/09/2024 09:10 (25)
Complete: 🔍
Cache ID: 216::103

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

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