2021-36949 | Microsoft Azure Active Directory Connect improper authentication
|CVSS Meta Temp Score
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|CTI Interest Score
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A vulnerability was found in Microsoft Azure Active Directory Connect 184.108.40.206/220.127.116.11 (Cloud Software). It has been classified as critical. Affected is an unknown code. The manipulation with an unknown input leads to a weak authentication vulnerability. CWE is classifying the issue as CWE-287. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
Microsoft Azure Active Directory Connect Authentication Bypass Vulnerability
The weakness was disclosed 08/10/2021 as confirmed security guidance (Website). The advisory is shared for download at portal.msrc.microsoft.com. This vulnerability is traded as CVE-2021-36949 since 07/19/2021. The exploitability is told to be difficult. The attack needs to be initiated within the local network. A 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 $0-$5k (estimation calculated on 08/15/2021).
It is declared as proof-of-concept.
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: 7.1
VulDB Meta Temp Score: 6.4
Vendor Base Score (Microsoft): 7.1
Vendor Vector (Microsoft): 🔒
07/19/2021 CVE assigned
08/10/2021 +22 days VulDB entry created
08/10/2021 +0 days Advisory disclosed
08/10/2021 +0 days Countermeasure disclosed
08/15/2021 +5 days VulDB last updateVendor: https://www.microsoft.com/
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