2021-34494 | Microsoft Windows DNS Server 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 classified as critical was found in Microsoft Windows (Operating System). This vulnerability affects an unknown code of the component DNS Server. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
Windows DNS Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-33746, CVE-2021-33754, CVE-2021-33780, CVE-2021-34525.
The weakness was presented 07/13/2021 as confirmed security guidance (Website). The advisory is shared for download at portal.msrc.microsoft.com. This vulnerability was named CVE-2021-34494 since 06/09/2021. The exploitation appears to be easy. The attack can be initiated remotely. A single authentication is needed for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $25k-$100k (estimation calculated on 07/17/2021).
Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.
VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 7.7
VulDB Base Score: 8.8
VulDB Temp Score: 7.7
VulDB Vector: 🔒
VulDB Reliability: 🔍
Vendor Base Score (Microsoft): 8.8
Vendor Vector (Microsoft): 🔒
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔒
Active Actors: 🔍
Active APT Groups: 🔍Recommended: Patch
Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒
06/09/2021 CVE assigned
07/13/2021 +34 days Advisory disclosed
07/13/2021 +0 days Countermeasure disclosed
07/14/2021 +0 days VulDB entry created
07/17/2021 +3 days VulDB last updateVendor: https://www.microsoft.com/
CVE: CVE-2021-34494 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20140213
Created: 07/14/2021 09:02
Updated: 07/17/2021 14:52
Changes: (2) source_cve_assigned source_cve_nvd_summary
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