Microsoft Windows up to Server 2019 Desktop Bridge privilege escalation
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.3 | $5k-$25k | 0.00 |
Summary
A vulnerability categorized as critical has been discovered in Microsoft Windows up to Server 2019. This vulnerability affects unknown code of the component Desktop Bridge. Executing a manipulation can lead to an unknown weakness. This vulnerability is tracked as CVE-2021-33759. The attack can be launched remotely. No exploit exists. A patch should be applied to remediate this issue.
Details
A vulnerability was found in Microsoft Windows up to Server 2019 (Operating System). It has been declared as critical. This vulnerability affects an unknown functionality of the component Desktop Bridge. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was disclosed 07/13/2021 as confirmed security guidance (Website). The advisory is available at portal.msrc.microsoft.com. This vulnerability was named CVE-2021-33759. 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 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.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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 |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
05/28/2021 🔍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-2021-33759 (🔍)
GCVE (CVE): GCVE-0-2021-33759
GCVE (VulDB): GCVE-100-178522
scip Labs: https://www.scip.ch/en/?labs.20161215
Entry
Created: 07/14/2021 07:47Updated: 07/17/2021 09:19
Changes: 07/14/2021 07:47 (3), 07/14/2021 07:48 (30), 07/14/2021 07:51 (22), 07/17/2021 09:19 (2)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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