2021-33779 | Microsoft Windows ADFS Security Feature unknown vulnerability
|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 Server 20H2/Server 2004/Server 2016/Server 2019 (Operating System). It has been classified as critical. This affects an unknown code of the component ADFS Security Feature. This is going to have an impact on confidentiality, and integrity. The summary by CVE is:
Windows ADFS Security Feature Bypass Vulnerability
The weakness was shared 07/13/2021 as confirmed security guidance (Website). It is possible to read the advisory at portal.msrc.microsoft.com. This vulnerability is uniquely identified as CVE-2021-33779 since 05/28/2021. The exploitability is told to be easy. It is possible to initiate the attack remotely. A 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 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: 8.1
VulDB Meta Temp Score: 7.1
VulDB Base Score: 8.1
VulDB Temp Score: 7.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
Vendor Base Score (Microsoft): 8.1
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: 🔒
05/28/2021 CVE assigned
07/13/2021 +46 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-2021-33779 (🔒)
Created: 07/14/2021 08:08
Updated: 07/17/2021 10:11
Changes: (2) source_cve_assigned source_cve_nvd_summary
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