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Fencer Vulns
medium 6.5

CVE-2023-36799 json

.NET Core and Visual Studio Denial of Service Vulnerability

published 2023-09-12 3 y ago modified 2026-09-08 2 mo ago also BIT-dotnet-2023-36799 , BIT-dotnet-sdk-2023-36799 , EUVD-2023-2515 , GHSA-h3hv-63q5-jgpr

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
4.6%
EPSS 4.6% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

.NET Core and Visual Studio Denial of Service Vulnerability

Patch / fix

  • nuget Microsoft.NETCore.App.Runtime.linux-arm64 6.0.22, 7.0.11
  • nuget Microsoft.NETCore.App.Runtime.linux-musl-arm64 6.0.22, 7.0.11
  • nuget Microsoft.NETCore.App.Runtime.linux-arm 6.0.22, 7.0.11
  • nuget Microsoft.NETCore.App.Runtime.linux-musl-arm 6.0.22, 7.0.11
  • nuget Microsoft.NETCore.App.Runtime.linux-musl-x64 6.0.22, 7.0.11
  • nuget Microsoft.NETCore.App.Runtime.linux-x64 6.0.22, 7.0.11
  • bitnami dotnet 6.0.1, 7.0.1
  • bitnami dotnet-sdk 6.0.1, 7.0.1
  • Microsoft .NET 6.0 6.0.24
  • Microsoft .NET 7.0 7.0.13
  • Microsoft Microsoft Visual Studio 2022 version 17.2 17.2.21
  • Microsoft Microsoft Visual Studio 2022 version 17.4 17.4.13
  • Microsoft Microsoft Visual Studio 2022 version 17.7 17.6.9
  • Microsoft Microsoft Visual Studio 2022 version 17.6 17.6.9
  • Microsoft PowerShell 7.2 7.2.14
  • Microsoft PowerShell 7.3 7.2.14
  • dotnet6 Ubuntu 22.04 LTS 6.0.122-0ubuntu1~22.04.1
  • dotnet7 Ubuntu 22.04 LTS 7.0.111-0ubuntu1~22.04.1

ubuntu advisories UBUNTU-CVE-2023-36799

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • dotnet7.0 RHEL 9 7.0.113-1.el9_2
  • dotnet-host RHEL 9 7.0.13-1.el9_2
  • dotnet-sdk-7.0 RHEL 9 7.0.113-1.el9_2
  • dotnet-hostfxr-7.0 RHEL 9 7.0.13-1.el9_2
  • dotnet-runtime-7.0 RHEL 9 7.0.13-1.el9_2
  • dotnet-templates-7.0 RHEL 9 7.0.113-1.el9_2
  • aspnetcore-runtime-7.0 RHEL 9 7.0.13-1.el9_2
  • dotnet-apphost-pack-7.0 RHEL 9 7.0.13-1.el9_2

red hat advisories RHSA-2023:6246RHSA-2023:6245RHSA-2023:6242RHSA-2023:6247RHSA-2023:6249RHSA-2023:5146

  • dotnet-host AlmaLinux 9 7.0.13-1.el9_2
  • dotnet-sdk-7.0 AlmaLinux 9 7.0.113-1.el9_2
  • dotnet-hostfxr-7.0 AlmaLinux 9 7.0.13-1.el9_2
  • dotnet-runtime-7.0 AlmaLinux 9 7.0.13-1.el9_2
  • dotnet-templates-7.0 AlmaLinux 9 7.0.113-1.el9_2
  • aspnetcore-runtime-7.0 AlmaLinux 9 7.0.13-1.el9_2
  • dotnet-apphost-pack-7.0 AlmaLinux 9 7.0.13-1.el9_2
  • dotnet-targeting-pack-7.0 AlmaLinux 9 7.0.13-1.el9_2

almalinux advisories ALSA-2023:6246ALSA-2023:6242ALSA-2023:6245ALSA-2023:6247ALSA-2023:5143ALSA-2023:5144

  • dotnet6.0 Rocky Linux 9 6.0.124-1.el9_2
  • dotnet6.0 Rocky Linux 8 6.0.124-1.el8_8
  • dotnet6.0 Rocky Linux 8 6.0.122-1.el8_8

rocky linux advisories RLSA-2023:6242RLSA-2023:6245RLSA-2023:5144

  • dotnet6-build Alpine 3.20, Alpine 3.19, Alpine 3.18 6.0.122-r0
  • dotnet6-build Alpine 3.20, Alpine 3.19, Alpine 3.18 6.0.124-r0
  • dotnet7-build Alpine 3.19, Alpine 3.18 7.0.111-r0
  • dotnet7-build Alpine 3.19, Alpine 3.18 7.0.113-r0
  • dotnet6-runtime Alpine 3.20, Alpine 3.19, Alpine 3.18 6.0.22-r0
  • dotnet6-runtime Alpine 3.20, Alpine 3.19, Alpine 3.18 6.0.24-r0
  • dotnet7-runtime Alpine 3.19, Alpine 3.18 7.0.11-r0
  • dotnet7-runtime Alpine 3.19, Alpine 3.18 7.0.13-r0

alpine advisories ALPINE-CVE-2023-36799

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-36799 updated cvss 6.5

dotnet: Denial of Service with Client Certificates using .NET Kestrel

  • Red Hat .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) rh-dotnet60-dotnet 6.0.122-1.el7_9, rh-dotnet60-dotnet 6.0.124-1.el7_9, rh-dotnet60-dotnet-host 6.0.22-1.el7_9, rh-dotnet60-dotnet-host 6.0.24-1.el7_9, rh-dotnet60-dotnet-sdk-6.0 6.0.122-1.el7_9, rh-dotnet60-dotnet-sdk-6.0 6.0.124-1.el7_9, +18 more Red Hat .NET Core on Red Hat Enterprise Linux Server (v. 7) rh-dotnet60-dotnet 6.0.122-1.el7_9, rh-dotnet60-dotnet 6.0.124-1.el7_9, rh-dotnet60-dotnet-host 6.0.22-1.el7_9, rh-dotnet60-dotnet-host 6.0.24-1.el7_9, rh-dotnet60-dotnet-sdk-6.0 6.0.122-1.el7_9, rh-dotnet60-dotnet-sdk-6.0 6.0.124-1.el7_9, +18 more Red Hat .NET Core on Red Hat Enterprise Linux Workstation (v. 7) rh-dotnet60-dotnet 6.0.122-1.el7_9, rh-dotnet60-dotnet 6.0.124-1.el7_9, rh-dotnet60-dotnet-host 6.0.22-1.el7_9, rh-dotnet60-dotnet-host 6.0.24-1.el7_9, rh-dotnet60-dotnet-sdk-6.0 6.0.122-1.el7_9, rh-dotnet60-dotnet-sdk-6.0 6.0.124-1.el7_9, +18 more
    fixed: vendor fix RHSA-2023:5142
  • Red Hat Enterprise Linux AppStream (v. 8) dotnet 7.0.111-1.el8_8, dotnet 7.0.113-1.el8_8, dotnet6.0 6.0.122-1.el8_8, dotnet6.0 6.0.124-1.el8_8, dotnet7.0 7.0.111-1.el8_8, dotnet7.0 7.0.113-1.el8_8, +40 more
    fixed: vendor fix RHSA-2023:5144
  • Red Hat Enterprise Linux AppStream (v. 9) dotnet6.0 6.0.122-1.el9_2, dotnet6.0 6.0.124-1.el9_2, dotnet7.0 7.0.111-1.el9_2, dotnet7.0 7.0.113-1.el9_2, dotnet-host 7.0.11-1.el9_2, dotnet-host 7.0.13-1.el9_2, +38 more
    fixed: vendor fix RHSA-2023:5143
  • Red Hat Enterprise Linux CRB (v. 8) dotnet 7.0.111-1.el8_8, dotnet 7.0.113-1.el8_8, dotnet6.0 6.0.122-1.el8_8, dotnet6.0 6.0.124-1.el8_8, dotnet7.0 7.0.111-1.el8_8, dotnet7.0 7.0.113-1.el8_8, +40 more
    fixed: vendor fix RHSA-2023:5144
  • Red Hat Enterprise Linux CRB (v. 9) dotnet6.0 6.0.122-1.el9_2, dotnet6.0 6.0.124-1.el9_2, dotnet7.0 7.0.111-1.el9_2, dotnet7.0 7.0.113-1.el9_2, dotnet-host 7.0.11-1.el9_2, dotnet-host 7.0.13-1.el9_2, +38 more
    fixed: vendor fix RHSA-2023:5143
  • Red Hat .NET 6.0 on Red Hat Enterprise Linux rh-dotnet60, rh-dotnet60-build, rh-dotnet60-runtime
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

cisa ICSA-24-165-04 updated cvss 6.5

Siemens ST7 ScadaConnect

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

4.64% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
GitHub 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
OSV 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
nuget Microsoft.NETCore.App.Runtime.linux-arm64
>=7.0.0, <7.0.11
>=6.0.0, <6.0.22
7.0.11
6.0.22
nuget Microsoft.NETCore.App.Runtime.linux-musl-arm64
>=7.0.0, <7.0.11
>=6.0.0, <6.0.22
7.0.11
6.0.22
nuget Microsoft.NETCore.App.Runtime.linux-arm
>=7.0.0, <7.0.11
>=6.0.0, <6.0.22
7.0.11
6.0.22
nuget Microsoft.NETCore.App.Runtime.linux-musl-arm
>=7.0.0, <7.0.11
>=6.0.0, <6.0.22
7.0.11
6.0.22
nuget Microsoft.NETCore.App.Runtime.linux-musl-x64
>=7.0.0, <7.0.11
>=6.0.0, <6.0.22
7.0.11
6.0.22
nuget Microsoft.NETCore.App.Runtime.linux-x64
>=7.0.0, <7.0.11
>=6.0.0, <6.0.22
7.0.11
6.0.22
bitnami dotnet
>=6.0.0, <6.0.1
>=7.0.0, <7.0.1
6.0.1
7.0.1
bitnami dotnet-sdk
>=6.0.0, <6.0.1
>=7.0.0, <7.0.1
6.0.1
7.0.1

Affected products

  • Microsoft .NET 6.0
  • Microsoft .NET 7.0
  • Microsoft Microsoft Visual Studio 2022 version 17.2
  • Microsoft Microsoft Visual Studio 2022 version 17.4
  • Microsoft Microsoft Visual Studio 2022 version 17.7
  • Microsoft Microsoft Visual Studio 2022 version 17.6
  • Microsoft PowerShell 7.2
  • Microsoft PowerShell 7.3

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.