CVE-2022-34716 json
.NET Spoofing Vulnerability
published 2022-08-09 4 y ago modified 2026-06-17 4 mo ago also BIT-dotnet-2022-34716 , BIT-dotnet-sdk-2022-34716 , BIT-powershell-2022-34716 , EUVD-2024-0733 , GHSA-vh55-786g-wjwj
- cvss
- 5.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.5%
- EPSS 2.5% chance of exploitation in 30 days, percentile 84%
- public exploits
- 0
- none known
Summary
.NET Spoofing Vulnerability
Patch / fix
- nuget System.Security.Cryptography.Xml 4.7.1, 6.0.1
- nuget Microsoft.AspNetCore.App.Runtime.win-x64 3.1.28, 6.0.8
- nuget Microsoft.AspNetCore.App.Runtime.linux-x64 3.1.28, 6.0.8
- nuget Microsoft.AspNetCore.App.Runtime.win-x86 3.1.28, 6.0.8
- nuget Microsoft.AspNetCore.App.Runtime.osx-x64 3.1.28, 6.0.8
- nuget Microsoft.AspNetCore.App.Runtime.linux-musl-x64 3.1.28, 6.0.8
- nuget Microsoft.AspNetCore.App.Runtime.linux-arm64 3.1.28, 6.0.8
- nuget Microsoft.AspNetCore.App.Runtime.linux-arm 3.1.28, 6.0.8
- nuget Microsoft.AspNetCore.App.Runtime.win-arm64 3.1.28, 6.0.8
- nuget Microsoft.AspNetCore.App.Runtime.win-arm 3.1.28, 6.0.8
- nuget Microsoft.AspNetCore.App.Runtime.osx-arm64 6.0.8
- nuget Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 3.1.28, 6.0.8
- nuget Microsoft.AspNetCore.App.Runtime.linux-musl-arm 3.1.28, 6.0.8
- bitnami dotnet 6.0.8
- bitnami dotnet-sdk 6.0.8
- bitnami powershell 7.0.12, 7.2.6
- Microsoft Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8) 15.9.50
- Microsoft Microsoft Visual Studio 2022 version 17.2 17.2.7
- Microsoft Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8) 16.9.24
- Microsoft Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10) 16.11.18
- Microsoft Microsoft Visual Studio 2022 version 17.0 17.0.13
- Microsoft .NET 6.0 6.0.8
- Microsoft .NET Core 3.1 3.1.28
- Microsoft PowerShell 7.0 7.0.12
- Microsoft PowerShell 7.2 7.2.6
- dotnet3.1 RHEL 8 3.1.422-1.el8_6
- dotnet-sdk-3.1 RHEL 8 3.1.422-1.el8_6
- dotnet-hostfxr-3.1 RHEL 8 3.1.28-1.el8_6
- dotnet-runtime-3.1 RHEL 8 3.1.28-1.el8_6
- dotnet-templates-3.1 RHEL 8 3.1.422-1.el8_6
- aspnetcore-runtime-3.1 RHEL 8 3.1.28-1.el8_6
- dotnet-apphost-pack-3.1 RHEL 8 3.1.28-1.el8_6
- dotnet-targeting-pack-3.1 RHEL 8 3.1.28-1.el8_6
red hat advisories RHSA-2022:6057RHSA-2022:6058RHSA-2022:6043RHSA-2022:6037RHSA-2022:6038
- dotnet-sdk-3.1 AlmaLinux 8 3.1.422-1.el8_6
- dotnet-hostfxr-3.1 AlmaLinux 8 3.1.28-1.el8_6
- dotnet-runtime-3.1 AlmaLinux 8 3.1.28-1.el8_6
- dotnet-templates-3.1 AlmaLinux 8 3.1.422-1.el8_6
- aspnetcore-runtime-3.1 AlmaLinux 8 3.1.28-1.el8_6
- dotnet-apphost-pack-3.1 AlmaLinux 8 3.1.28-1.el8_6
- dotnet-targeting-pack-3.1 AlmaLinux 8 3.1.28-1.el8_6
- aspnetcore-targeting-pack-3.1 AlmaLinux 8 3.1.28-1.el8_6
almalinux advisories ALSA-2022:6057ALSA-2022:6058ALSA-2022:6043
- dotnet6.0 Rocky Linux 8 6.0.108-1.el8_6
- dotnet3.1 Rocky Linux 8 3.1.422-1.el8_6
rocky linux advisories RLSA-2022:6058RLSA-2022:6057
- dotnet6-build Alpine 3.20, Alpine 3.19, Alpine 3.18 +2 more 6.0.108-r0
- dotnet6-runtime Alpine 3.20, Alpine 3.19, Alpine 3.18 +2 more 6.0.8-r0
alpine advisories ALPINE-CVE-2022-34716
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-2022-34716 updated cvss 5.9
dotnet: External Entity Injection during XML signature verification
-
Red Hat .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) rh-dotnet31-dotnet 3.1.422-1.el7_9, rh-dotnet60-dotnet 6.0.108-1.el7_9, rh-dotnet60-dotnet-host 6.0.8-1.el7_9, rh-dotnet31-dotnet-host 3.1.28-1.el7_9, rh-dotnet31-dotnet-sdk-3.1 3.1.422-1.el7_9, rh-dotnet60-dotnet-sdk-6.0 6.0.108-1.el7_9, +18 more Red Hat .NET Core on Red Hat Enterprise Linux Server (v. 7) rh-dotnet31-dotnet 3.1.422-1.el7_9, rh-dotnet60-dotnet 6.0.108-1.el7_9, rh-dotnet60-dotnet-host 6.0.8-1.el7_9, rh-dotnet31-dotnet-host 3.1.28-1.el7_9, rh-dotnet31-dotnet-sdk-3.1 3.1.422-1.el7_9, rh-dotnet60-dotnet-sdk-6.0 6.0.108-1.el7_9, +18 more Red Hat .NET Core on Red Hat Enterprise Linux Workstation (v. 7) rh-dotnet31-dotnet 3.1.422-1.el7_9, rh-dotnet60-dotnet 6.0.108-1.el7_9, rh-dotnet60-dotnet-host 6.0.8-1.el7_9, rh-dotnet31-dotnet-host 3.1.28-1.el7_9, rh-dotnet31-dotnet-sdk-3.1 3.1.422-1.el7_9, rh-dotnet60-dotnet-sdk-6.0 6.0.108-1.el7_9, +18 morefixed: vendor fix RHSA-2022:6037
-
Red Hat CodeReady Linux Builder (v. 9) dotnet-host 6.0.8-1.el9_0, dotnet6.0 6.0.108-1.el9_0, dotnet-sdk-6.0 6.0.108-1.el9_0, dotnet-hostfxr-6.0 6.0.8-1.el9_0, dotnet-runtime-6.0 6.0.8-1.el9_0, aspnetcore-runtime-6.0 6.0.8-1.el9_0, +6 morefixed: vendor fix RHSA-2022:6043
-
Red Hat Enterprise Linux AppStream (v. 8) dotnet 6.0.108-1.el8_6, dotnet-host 6.0.8-1.el8_6, dotnet3.1 3.1.422-1.el8_6, dotnet6.0 6.0.108-1.el8_6, dotnet-sdk-3.1 3.1.422-1.el8_6, dotnet-sdk-6.0 6.0.108-1.el8_6, +17 morefixed: vendor fix RHSA-2022:6057
-
Red Hat Enterprise Linux AppStream (v. 9) dotnet-host 6.0.8-1.el9_0, dotnet6.0 6.0.108-1.el9_0, dotnet-sdk-6.0 6.0.108-1.el9_0, dotnet-hostfxr-6.0 6.0.8-1.el9_0, dotnet-runtime-6.0 6.0.8-1.el9_0, aspnetcore-runtime-6.0 6.0.8-1.el9_0, +6 morefixed: vendor fix RHSA-2022:6043
-
Red Hat Enterprise Linux CRB (v. 8) dotnet 6.0.108-1.el8_6, dotnet-host 6.0.8-1.el8_6, dotnet3.1 3.1.422-1.el8_6, dotnet6.0 6.0.108-1.el8_6, dotnet-sdk-3.1 3.1.422-1.el8_6, dotnet-sdk-6.0 6.0.108-1.el8_6, +17 morefixed: vendor fix RHSA-2022:6057
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
- no
- Technical impact
- partial
- Assessed
- 17 mo ago
Exploit prediction
2.52% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C |
| GitHub | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
| CNA | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
| OSV | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| nuget | System.Security.Cryptography.Xml | <4.7.1 >=5.0.0, <6.0.1 |
4.7.1 6.0.1 |
| nuget | Microsoft.AspNetCore.App.Runtime.win-x64 | >=3.1.0, <3.1.28 >=6.0.0, <6.0.8 |
3.1.28 6.0.8 |
| nuget | Microsoft.AspNetCore.App.Runtime.linux-x64 | >=3.1.0, <3.1.28 >=6.0.0, <6.0.8 |
3.1.28 6.0.8 |
| nuget | Microsoft.AspNetCore.App.Runtime.win-x86 | >=3.1.0, <3.1.28 >=6.0.0, <6.0.8 |
3.1.28 6.0.8 |
| nuget | Microsoft.AspNetCore.App.Runtime.osx-x64 | >=3.1.0, <3.1.28 >=6.0.0, <6.0.8 |
3.1.28 6.0.8 |
| nuget | Microsoft.AspNetCore.App.Runtime.linux-musl-x64 | >=3.1.0, <3.1.28 >=6.0.0, <6.0.8 |
3.1.28 6.0.8 |
| nuget | Microsoft.AspNetCore.App.Runtime.linux-arm64 | >=3.1.0, <3.1.28 >=6.0.0, <6.0.8 |
3.1.28 6.0.8 |
| nuget | Microsoft.AspNetCore.App.Runtime.linux-arm | >=3.1.0, <3.1.28 >=6.0.0, <6.0.8 |
3.1.28 6.0.8 |
| nuget | Microsoft.AspNetCore.App.Runtime.win-arm64 | >=3.1.0, <3.1.28 >=6.0.0, <6.0.8 |
3.1.28 6.0.8 |
| nuget | Microsoft.AspNetCore.App.Runtime.win-arm | >=3.1.0, <3.1.28 >=6.0.0, <6.0.8 |
3.1.28 6.0.8 |
| nuget | Microsoft.AspNetCore.App.Runtime.osx-arm64 | >=6.0.0, <6.0.8 |
6.0.8 |
| nuget | Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 | >=3.1.0, <3.1.28 >=6.0.0, <6.0.8 |
3.1.28 6.0.8 |
| nuget | Microsoft.AspNetCore.App.Runtime.linux-musl-arm | >=3.1.0, <3.1.28 >=6.0.0, <6.0.8 |
3.1.28 6.0.8 |
| bitnami | dotnet | >=6.0.0, <6.0.8 |
6.0.8 |
| bitnami | dotnet-sdk | >=6.0.0, <6.0.8 |
6.0.8 |
| bitnami | powershell | >=7.0.0, <7.0.12 >=7.2.0, <7.2.6 |
7.0.12 7.2.6 |
Affected products
- Microsoft Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)
- Microsoft Microsoft Visual Studio 2022 version 17.2
- Microsoft Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)
- Microsoft Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10)
- Microsoft Microsoft Visual Studio 2022 version 17.0
- Microsoft .NET 6.0
- Microsoft .NET Core 3.1
- Microsoft PowerShell 7.0
- Microsoft PowerShell 7.2
Classification
- Weakness
-
- CWE-290 Authentication Bypass by Spoofing
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2022-34716
vendor-advisory, web
-
github.com
/dotnet/aspnetcore/security/advisories/GHSA-vh55-786g-wjwj
web
-
nvd.nist.gov
/vuln/detail/CVE-2022-34716
advisory, web
-
github.com
/dotnet/announcements/issues/232
web
-
github.com
/dotnet/aspnetcore/issues/43166
web
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2022-34716
web
Sources
- CVE List CVE-2022-34716
- GitHub Advisory GHSA-vh55-786g-wjwj
- NVD CVE-2022-34716
- OSV BIT-dotnet-2022-34716
- OSV BIT-dotnet-sdk-2022-34716
- OSV BIT-powershell-2022-34716
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.