Microsoft Windows 7 SP1 up to Server 2019 Installer information disclosure
|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 problematic was found in Microsoft Windows (Operating System). This vulnerability affects an unknown part of the component Installer. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. As an impact it is known to affect confidentiality. CVE summarizes:
Windows Installer Information Disclosure Vulnerability
The weakness was disclosed 04/13/2021 as confirmed security guidance (Website). The advisory is available at portal.msrc.microsoft.com. This vulnerability was named CVE-2021-28437 since 03/15/2021. The exploitation appears to be easy. Local access is required to approach this attack. A single authentication is necessary for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/16/2021).
Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.
CVSSv3VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 3.8
VulDB Base Score: 3.3
VulDB Temp Score: 2.9
VulDB Vector: 🔒
VulDB Reliability: 🔍
Vendor Base Score (Microsoft): 5.5
Vendor Vector (Microsoft): 🔒
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
ExploitingClass: Information disclosure
Price Prediction: 🔍
Current Price Estimation: 🔒
Threat IntelligenceThreat: 🔍
Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒
Timeline03/15/2021 CVE assigned
04/13/2021 +29 days VulDB entry created
04/13/2021 +0 days Advisory disclosed
04/13/2021 +0 days Countermeasure disclosed
04/16/2021 +3 days VulDB last update
CVE: CVE-2021-28437 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20161215
EntryCreated: 04/13/2021 11:06 PM
Updated: 04/16/2021 06:25 PM
Changes: (2) source_cve_assigned source_cve_nvd_summary
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