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Fencer Vulns
high 8.1

CVE-2023-33127 json

.NET and Visual Studio Elevation of Privilege Vulnerability

published 2023-07-11 3 y ago modified 2026-09-08 2 mo ago also BIT-dotnet-2023-33127 , BIT-dotnet-sdk-2023-33127 , EUVD-2023-1948 , GHSA-485r-rp8v-998v

cvss
8.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 79%
public exploits
0
none known

Summary

.NET and Visual Studio Elevation of Privilege Vulnerability

Patch / fix

  • nuget Microsoft.WindowsDesktop.App.Runtime.win-arm64 6.0.20, 7.0.9
  • nuget Microsoft.WindowsDesktop.App.Runtime.win-x64 6.0.20, 7.0.9
  • nuget Microsoft.WindowsDesktop.App.Runtime.win-x86 6.0.20, 7.0.9
  • bitnami dotnet 6.0.20, 7.0.9
  • bitnami dotnet-sdk 6.0.20, 7.0.9
  • Microsoft .NET 6.0 6.0.20
  • Microsoft .NET 7.0 7.0.9
  • Microsoft Microsoft Visual Studio 2022 version 17.0 17.0.23
  • Microsoft Microsoft Visual Studio 2022 version 17.2 17.2.17
  • Microsoft Microsoft Visual Studio 2022 version 17.4 17.4.9
  • Microsoft Microsoft Visual Studio 2022 version 17.6 17.6.5
  • Microsoft PowerShell 7.2 7.2.13
  • Microsoft PowerShell 7.3 7.3.6
  • dotnet6-build Alpine 3.20, Alpine 3.19, Alpine 3.18 6.0.120-r0
  • dotnet7-build Alpine 3.19, Alpine 3.18 7.0.109-r0
  • dotnet6-runtime Alpine 3.20, Alpine 3.19, Alpine 3.18 6.0.20-r0
  • dotnet7-runtime Alpine 3.19, Alpine 3.18 7.0.9-r0

alpine advisories ALPINE-CVE-2023-33127

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-2023-33127 updated cvss 8.1

dotnet: elevation of privilege and code execution by taking control of the diagnostic port

  • Red Hat .NET 6.0 on Red Hat Enterprise Linux rh-dotnet60-dotnet, rh-dotnet60-dotnet-host, rh-dotnet60-dotnet-sdk-6.0, rh-dotnet60-dotnet-hostfxr-6.0, rh-dotnet60-dotnet-runtime-6.0, rh-dotnet60-dotnet-templates-6.0, +6 more Red Hat Enterprise Linux 8 dotnet, dotnet6.0, dotnet7.0, dotnet-host, dotnet-sdk-6.0, dotnet-sdk-7.0, +17 more Red Hat Enterprise Linux 9 dotnet6.0, dotnet7.0, dotnet-host, dotnet-sdk-6.0, dotnet-sdk-7.0, dotnet-hostfxr-6.0, +16 more
    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 8.1

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

1.88% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
GitHub 3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
OSV 3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
nuget Microsoft.WindowsDesktop.App.Runtime.win-arm64
>=7.0.0, <7.0.9
>=6.0.0, <6.0.20
7.0.9
6.0.20
nuget Microsoft.WindowsDesktop.App.Runtime.win-x64
>=7.0.0, <7.0.9
>=6.0.0, <6.0.20
7.0.9
6.0.20
nuget Microsoft.WindowsDesktop.App.Runtime.win-x86
>=6.0.0, <6.0.20
>=7.0.0, <7.0.9
6.0.20
7.0.9
bitnami dotnet
>=6.0.0, <6.0.20
>=7.0.0, <7.0.9
6.0.20
7.0.9
bitnami dotnet-sdk
>=6.0.0, <6.0.20
>=7.0.0, <7.0.9
6.0.20
7.0.9

Affected products

  • Microsoft .NET 6.0
  • Microsoft .NET 7.0
  • Microsoft Microsoft Visual Studio 2022 version 17.0
  • Microsoft Microsoft Visual Studio 2022 version 17.2
  • Microsoft Microsoft Visual Studio 2022 version 17.4
  • Microsoft Microsoft Visual Studio 2022 version 17.6
  • Microsoft PowerShell 7.2
  • Microsoft PowerShell 7.3

Classification

Weakness
  • CWE-1220 Insufficient Granularity of Access Control

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.