ASP.NET Elevation of Privilege Vulnerability: A Potential Threat to Web Applications
CVE-2023-36899

8.8HIGH

Key Information:

Vendor
Microsoft
Status
Microsoft .net Framework 4.8
Microsoft .net Framework 3.5 And 4.8
Microsoft .net Framework 3.5 And 4.6.2/4.7/4.7.1/4.7.2
Microsoft .net Framework 4.6.2/4.7/4.7.1/4.7.2
Vendor
CVE Published:
8 August 2023

Badges

👾 Exploit Exists🟡 Public PoC

Summary

The ASP.NET elevation of privilege vulnerability affects multiple versions of the ASP.NET framework, allowing attackers to elevate their permissions and execute unauthorized actions within the application. Proper fixes and timely updates are crucial for mitigating potential threats and securing applications against exploitation.

Affected Version(s)

Microsoft .NET Framework 2.0 Service Pack 2 Windows Server 2008 for x64-based Systems Service Pack 2 2.0.0 < 2.0.50727.8974

Microsoft .NET Framework 3.5 and 4.6.2 Windows 10 for x64-based Systems 4.7.0 < 10.0.10240.20107

Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 Windows 10 Version 1607 for x64-based Systems 3.0.0.0 < 10.0.14393.6167

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-36899
Created by midisec

CVE-2023-36899
Created by d0rb

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.