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Fencer Vulns
high 7.8

CVE-2023-28260 json

.NET DLL Hijacking Remote Code Execution Vulnerability

published 2023-04-11 3 y ago modified 2026-09-08 2 mo ago also BIT-dotnet-2023-28260 , BIT-dotnet-sdk-2023-28260 , EUVD-2023-1402 , GHSA-w4m3-43gp-x8hx

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 75%
public exploits
0
none known

Summary

.NET DLL Hijacking Remote Code Execution Vulnerability

Patch / fix

  • nuget Microsoft.NetCore.App.Runtime.win-arm 6.0.16, 7.0.5
  • nuget Microsoft.NetCore.App.Runtime.win-arm64 6.0.16, 7.0.5
  • nuget Microsoft.NetCore.App.Runtime.win-x86 6.0.16, 7.0.5
  • nuget Microsoft.NetCore.App.Runtime.win-x64 6.0.16, 7.0.5
  • bitnami dotnet 6.0.16, 7.0.5
  • bitnami dotnet-sdk 6.0.16, 7.0.5
  • Microsoft .NET 6.0 6.0.16
  • Microsoft .NET 7.0 7.0.5
  • Microsoft Microsoft Visual Studio 2022 version 17.5 17.5.4
  • Microsoft Microsoft Visual Studio 2022 version 17.4 17.4.7
  • Microsoft Microsoft Visual Studio 2022 version 17.2 17.2.15
  • Microsoft Microsoft Visual Studio 2022 version 17.0 17.0.21
  • Microsoft PowerShell 7.3 7.3.4
  • Microsoft PowerShell 7.2 7.2.11
  • dotnet6 Ubuntu 22.04 LTS 6.0.116-0ubuntu1~22.04.1

ubuntu advisories UBUNTU-CVE-2023-28260

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

  • dotnet6-build Alpine 3.20, Alpine 3.19, Alpine 3.18 6.0.116-r0
  • dotnet7-build Alpine 3.19, Alpine 3.18 7.0.105-r0
  • dotnet6-runtime Alpine 3.20, Alpine 3.19, Alpine 3.18 6.0.16-r0
  • dotnet7-runtime Alpine 3.19, Alpine 3.18 7.0.5-r0

alpine advisories ALPINE-CVE-2023-28260

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-2023-28260 updated cvss 7.8

dotnet: CWD dll hijack vulnerability

  • 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 .NET Core 3.1 on Red Hat Enterprise Linux rh-dotnet31-dotnet, rh-dotnet31-dotnet-host, rh-dotnet31-dotnet-sdk-3.1, rh-dotnet31-dotnet-hostfxr-3.1, rh-dotnet31-dotnet-runtime-3.1, rh-dotnet31-dotnet-templates-3.1, +6 more Red Hat .NET Core 5.0 on Red Hat Enterprise Linux rh-dotnet50-dotnet, rh-dotnet50-dotnet-host, rh-dotnet50-dotnet-sdk-5.0, rh-dotnet50-dotnet-hostfxr-5.0, rh-dotnet50-dotnet-runtime-5.0, rh-dotnet50-dotnet-templates-5.0, +6 more Red Hat Enterprise Linux 8 dotnet, dotnet3.1, dotnet6.0, dotnet7.0, dotnet-host, dotnet-sdk-3.1, +27 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 7.8

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
total
Assessed
17 mo ago

Exploit prediction

1.54% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
GitHub 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
OSV 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
nuget Microsoft.NetCore.App.Runtime.win-arm
>=7.0.0, <7.0.5
>=6.0.0, <6.0.16
7.0.5
6.0.16
nuget Microsoft.NetCore.App.Runtime.win-arm64
>=7.0.0, <7.0.5
>=6.0.0, <6.0.16
7.0.5
6.0.16
nuget Microsoft.NetCore.App.Runtime.win-x86
>=7.0.0, <7.0.5
>=6.0.0, <6.0.16
7.0.5
6.0.16
nuget Microsoft.NetCore.App.Runtime.win-x64
>=6.0.0, <6.0.16
>=7.0.0, <7.0.5
6.0.16
7.0.5
bitnami dotnet
>=6.0.0, <6.0.16
>=7.0.0, <7.0.5
6.0.16
7.0.5
bitnami dotnet-sdk
>=6.0.0, <6.0.16
>=7.0.0, <7.0.5
6.0.16
7.0.5

Affected products

  • Microsoft .NET 6.0
  • Microsoft .NET 7.0
  • Microsoft Microsoft Visual Studio 2022 version 17.5
  • Microsoft Microsoft Visual Studio 2022 version 17.4
  • Microsoft Microsoft Visual Studio 2022 version 17.2
  • Microsoft Microsoft Visual Studio 2022 version 17.0
  • Microsoft PowerShell 7.3
  • Microsoft PowerShell 7.2

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.