Microsoft Windows 7 SP1 up to Server 2019 NTFS Remote Privilege Escalation
|CVSS Meta Temp Score|
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|Current Exploit Price (≈)|
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|CTI Interest Score|
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A vulnerability was found in Microsoft Windows (Operating System) and classified as very critical. This issue affects an unknown code of the component NTFS. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
Windows NTFS Elevation of Privilege Vulnerability
The weakness was published 06/08/2021 as confirmed security guidance (Website). It is possible to read the advisory at portal.msrc.microsoft.com. The identification of this vulnerability is CVE-2021-31956 since 04/30/2021. The exploitation is known to be easy. The attack may be initiated remotely. A simple authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $25k-$100k at the moment (estimation calculated on 06/10/2021).
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.
CVSSv3VulDB 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): 🔒
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔒
Threat IntelligenceInterest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍
Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒
Timeline04/30/2021 CVE assigned
06/08/2021 +39 days Advisory disclosed
06/08/2021 +0 days Countermeasure disclosed
06/09/2021 +0 days VulDB entry created
06/10/2021 +1 days VulDB last update
CVE: CVE-2021-31956 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20161215
EntryCreated: 06/09/2021 06:49 AM
Updated: 06/10/2021 08:25 PM
Changes: (2) source_cve_assigned source_cve_nvd_summary
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