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CVE

CVE-2023-36558

ASP.NET Core Security Feature Bypass Vulnerability

ASP.NET Core Security Feature Bypass Vulnerability.

MEDIUM · CVSS 6.2 EPSS 0.00391
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules5 YARA rules0
▤

Affected Products & Versions

10
microsoft .net>= 6.0.0 and < 6.0.25
microsoft .net>= 7.0.0 and < 7.0.14
microsoft .netall versions
microsoft asp.net core>= 6.0.0 and < 6.0.25
microsoft asp.net core>= 7.0.0 and < 7.0.14
microsoft asp.net coreall versions
microsoft visual studio 2022>= 17.2 and < 17.2.22
microsoft visual studio 2022>= 17.4 and < 17.4.14
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
NuGet Microsoft.AspNetCore.Components MODERATE fixed in 8.0.0
◈

Sigma Hunt Rules

5
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighUAC Bypass Using .NET Code Profiler on MMC
producthighPotential AMSI Bypass Via .NET Reflection
producthighETW Logging Tamper In .NET Processes Via CommandLine
producthighETW Logging Disabled In .NET Processes - Registry
producthighETW Logging Disabled In .NET Processes - Sysmon Registry
▣

Scoring & Timeline

6.2
MEDIUM · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Nov 2023 · 10:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

11
siemens-csafSSA-341067
msrcCVE-2023-36558Security Feature Bypass
usnUSN-6480-1
rhsaRHSA-2023:7259Moderate
rhsaRHSA-2023:7258Moderate
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