BDU:2021-02715
Scores
EPSS
Percentile: 0.0%
CVSS
CVSS Score: 9.8/10
All CVSS Scores
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vector Breakdown
CVSS (Common Vulnerability Scoring System) vector provides detailed metrics about vulnerability characteristics
CVSS
Attack Vector
Network (N)
Describes how the vulnerability is exploited
Attack Complexity
Low (L)
Describes the conditions beyond the attacker's control
Privileges Required
None (N)
Describes the level of privileges an attacker must possess
User Interaction
None (N)
Captures the requirement for a human user participation
Scope
Unchanged (U)
Determines if a successful attack impacts components beyond the vulnerable component
Confidentiality Impact
High (H)
Measures the impact to the confidentiality of information
Integrity Impact
High (H)
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
High (H)
Measures the impact to the availability of the impacted component
Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C
Vector Breakdown
CVSS (Common Vulnerability Scoring System) vector provides detailed metrics about vulnerability characteristics
CVSS
Attack Vector
Network (N)
Describes how the vulnerability is exploited
Attack Complexity
Low (L)
Describes the conditions beyond the attacker's control
Authentication
None (N)
Describes the level of privileges an attacker must possess
Confidentiality Impact
Complete
Measures the impact to the confidentiality of information
Integrity Impact
Complete
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
Complete
Measures the impact to the availability of the impacted component
Description
Уязвимость сетевого стека HTTP Protocol Stack операционных систем Microsoft Windows связана с использованием памяти после её освобождения. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, выполнить произвольный код с помощью специально созданного HTTP запроса
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Sources
Related Vulnerabilities
Exploits
Reference Links
Recommendations
Source: bdu
Использование рекомендаций:
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-31166
Vulnerable Software (5)
Type: Configuration
Vendor: microsoft corp
Product: windows_10 2004
Operating System: * *
{ "version_exact": "*"}
Source: bdu
Type: Configuration
Vendor: microsoft corp
Product: windows_10 20h2
Operating System: * *
{ "version_exact": "*"}
Source: bdu
Type: Configuration
Vendor: microsoft corp
Product: windows_server_2004
Operating System: * *
{ "version_exact": "(server core installation)"}
Source: bdu
Type: Configuration
Vendor: microsoft corp
Product: windows_server_20h2
Operating System: * *
{ "version_exact": "(server core installation)"}
Source: bdu
Type: Windows KB
Vendor: Microsoft
Product: Windows
Version: 10.0.19041.982
Operating System: Windows 19041 build 982
Identifier: KB5003173
Source: msrc