Attacker Value
Unknown
0
CVE-2021-31957
0
CVE ID
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CVE-2021-31957
(Last updated October 07, 2023) ▾
MITRE ATT&CK
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Collection
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Command and Control
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Credential Access
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Defense Evasion
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Discovery
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Execution
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Exfiltration
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Impact
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Initial Access
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Lateral Movement
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Persistence
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Privilege Escalation
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Description
ASP.NET Denial of Service Vulnerability
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CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
7.5 High
Impact Score:
3.6
Exploitability Score:
3.9
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High
General Information
Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3) 16.4.23
Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6) 16.7.16
Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8) 16.9.7
Microsoft Visual Studio 2019 version 16.10 (includes 16.0 - 16.9) 16.10.1
Visual Studio 2019 for Mac version 8.10 8.10.1
.NET Core 3.1 3.1.16
.NET 5.0 5.0.7
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown
Vendors
- fedoraproject,
- microsoft
Products
- .net,
- .net core,
- fedora 33,
- fedora 34,
- visual studio 2019,
- visual studio 2019 8.10
References
Advisory
Miscellaneous
Additional Info
Authenticated
Unknown
Exploitable
Unknown
Reliability
Unknown
Stability
Unknown
Available Mitigations
Unknown
Shelf Life
Unknown
Userbase/Installbase
Unknown
Patch Effectiveness
Unknown
Rapid7
Technical Analysis
Report as Exploited in the Wild
CVE ID
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