Microsoft Windows up to Server 2004 Container Isolation FS Filter Driver privilege escalation
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.3 | $5k-$25k | 0.00 |
Summary
A vulnerability classified as critical has been found in Microsoft Windows 10 20H2/10 21H1/10 2004/Server 20H2/Server 2004. The affected element is an unknown function of the component Container Isolation FS Filter Driver. Performing a manipulation results in an unknown weakness. This vulnerability is cataloged as CVE-2021-34461. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to install a patch to address this issue.
Details
A vulnerability classified as critical has been found in Microsoft Windows 10 20H2/10 21H1/10 2004/Server 20H2/Server 2004 (Operating System). This affects some unknown processing of the component Container Isolation FS Filter Driver. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was shared 07/13/2021 as confirmed security guidance (Website). The advisory is shared at portal.msrc.microsoft.com. This vulnerability is uniquely identified as CVE-2021-34461. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/14/2021).
Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.microsoft.com/
- Product: https://www.microsoft.com/en-us/windows
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.3VulDB 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): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Privilege escalationCWE: 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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
06/09/2021 🔍07/13/2021 🔍
07/13/2021 🔍
07/14/2021 🔍
07/17/2021 🔍
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: portal.msrc.microsoft.com
Status: Confirmed
CVE: CVE-2021-34461 (🔍)
GCVE (CVE): GCVE-0-2021-34461
GCVE (VulDB): GCVE-100-178569
scip Labs: https://www.scip.ch/en/?labs.20161215
Entry
Created: 07/14/2021 08:44Updated: 07/17/2021 13:30
Changes: 07/14/2021 08:44 (23), 07/14/2021 08:45 (10), 07/14/2021 08:48 (22), 07/17/2021 13:30 (1)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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