Skip to content
Fencer Vulns
critical 9.8

CVE-2021-24112 json

.NET Core Remote Code Execution Vulnerability

published 2021-02-25 5 y ago modified 2026-10-07 32 d ago also BIT-dotnet-2021-24112 , BIT-dotnet-sdk-2021-24112 , EUVD-2022-5253 , GHSA-rxg9-xrhp-64gj

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
3.5%
EPSS 3.5% chance of exploitation in 30 days, percentile 89%
public exploits
0
none known

Summary

.NET Core Remote Code Execution Vulnerability

Patch / fix

  • nuget System.Drawing.Common 4.7.2, 5.0.3
  • bitnami dotnet 5.0.3
  • bitnami dotnet-sdk 5.0.3
  • microsoft mono 6.12.0.122
  • dotnet-sdk Arch Linux 5.0.3.sdk103-2
  • dotnet-runtime Arch Linux 5.0.3.sdk103-2

arch linux advisories AVG-1449

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-2021-24112 updated cvss 8.1

dotnet: Remote Code Execution Vulnerability

  • Red Hat .NET Core 2.1 on Red Hat Enterprise Linux rh-dotnet21, rh-dotnet21-runtime Red Hat .NET Core 3.1 on Red Hat Enterprise Linux rh-dotnet31, rh-dotnet31-runtime Red Hat .NET Core 5.0 on Red Hat Enterprise Linux rh-dotnet50, rh-dotnet50-runtime Red Hat Enterprise Linux 8 dotnet, dotnet3.1, dotnet5.0, dotnet-host, dotnet-sdk-2.1, dotnet-sdk-3.1, +21 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 SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
32 d ago

Exploit prediction

3.45% chance of exploitation in the next 30 days, higher than 89% 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 9.8 CVSS:3.1/AV:N/AC:L/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
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
OSV 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
nuget System.Drawing.Common
>=4.0.0, <4.7.2
>=5.0.0, <5.0.3
4.7.2
5.0.3
bitnami dotnet
>=5.0.0, <5.0.3
5.0.3
bitnami dotnet-sdk
>=5.0.0, <5.0.3
5.0.3

Affected products

  • Microsoft Visual Studio 2019 for Mac
  • Microsoft Mono 6.12.0
  • Microsoft .NET Core 2.1
  • Microsoft .NET Core 3.1
  • Microsoft .NET 5.0

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

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.