Microsoft Windows Print Spooler Privilege Escalation

EntryeditHistoryDiffjsonxmlCTI
CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.7$25k-$100k0.16

A vulnerability was found in Microsoft Windows (Operating System) and classified as very critical. Affected by this issue is some unknown processing of the component Print Spooler. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Windows Print Spooler Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-38667, CVE-2021-40447.

The weakness was presented 09/14/2021 as confirmed security guidance (Website). The advisory is available at portal.msrc.microsoft.com. This vulnerability is handled as CVE-2021-38671 since 08/13/2021. The exploitation is known to be easy. The attack may be launched remotely. Required for exploitation is a simple authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $25k-$100k at the moment (estimation calculated on 09/17/2021).

It is declared as functional.

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

Productinfoedit

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CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 7.7

VulDB Base Score: 8.8
VulDB Temp Score: 8.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

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

CVSSv2infoedit

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfoedit

Class: Unknown
CWE: Unknown
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Functional
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

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

Countermeasuresinfoedit

Recommended: Patch
Status: 🔍

Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒

Patch: portal.msrc.microsoft.com

Timelineinfoedit

08/13/2021 CVE assigned
09/14/2021 +32 days VulDB entry created
09/14/2021 +0 days Advisory disclosed
09/14/2021 +0 days Countermeasure disclosed
09/17/2021 +3 days VulDB last update

Sourcesinfoedit

Vendor: https://www.microsoft.com/
Product: https://www.microsoft.com/en-us/windows

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

CVE: CVE-2021-38671 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20161215

Entryinfoedit

Created: 09/14/2021 08:14 PM
Updated: 09/17/2021 02:22 PM
Changes: (2) source_cve_assigned source_cve_nvd_summary
Complete: 🔍

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