.NET and Visual Studio Elevation of Privilege Vulnerability

An update of the dotnet package has been released.

The version of tested product installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 2023_July_11 advisory.

  - An elevation of privilege vulnerability. An attacker can exploit this to gain elevated privileges. (CVE-2023-33127)   
  - A security feature bypass vulnerability exists. An attacker can exploit this and bypass the security     feature and perform unauthorized actions compromising the integrity of the system/application. (CVE-2023-33170)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Multiple vulnerabilities exist in ASP.NET Core 6.0 < 6.0.20 and ASP.NET Core 7.0 < 7.0.9.

  - A vulnerability exists in .NET applications where the diagnostic server can be exploited to achieve   cross-session/cross-user elevation of privilege (EoP) and code execution. (CVE-2023-33127)

  - A vulnerability exists in ASP.NET Core applications where account lockout maximum failed attempts may not   be immediately updated, allowing an attacker to try more passwords. (CVE-2023-33170)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The version of tested product installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 2023_Jul_11 advisory.

  - .NET and Visual Studio Elevation of Privilege Vulnerability (CVE-2023-33127)

  - ASP.NET and Visual Studio Security Feature Bypass Vulnerability (CVE-2023-33170)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Microsoft Visual Studio Products are missing security updates. It is, therefore, affected by multiple vulnerabilities:

  - A vulnerability exist in ASP.NET Core applications where account lockout maximum failed attempts may     not be immediately updated, allowing an attacker to try more passwords. (CVE-2023-33170)

  - A vulnerability exists in .NET applications where the diagnostic server can be exploited to achieve     cross-session/cross-user elevation of privilege (EoP) and code execution. (CVE-2023-33127)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
234310	Photon OS 5.0: Dotnet PHSA-2025-5.0-0499	Nessus	PhotonOS Local Security Checks	critical
178297	Security Update for .NET Core SDK (July 2023)	Nessus	Windows	high
178206	Security Updates for Microsoft ASP.NET Core (July 2023)	Nessus	Windows : Microsoft Bulletins	high
178193	Security Update for Microsoft .NET Core (July 2023)	Nessus	Windows	high
178161	Security Updates for Microsoft Visual Studio Products (July 2023)	Nessus	Windows : Microsoft Bulletins	high

Detections

Analytics

CVE-2023-33127

high

Tenable Plugins

critical

high

high

high

high