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CVE-2022-29117

28
FAUCET Score

CVE-2022-29117 is a Denial of Service vulnerability affecting .NET and Visual Studio products from Microsoft and Fedora Project. With a CVSS score of 7.5 (High), it can be exploited remotely without authentication or user interaction, leading to a complete denial of service. While no public exploit code (Metasploit, Nuclei, ExploitDB) is currently available and it's not listed on CISA's KEV catalog, it has garnered some community discussion and media coverage, including a mention in Microsoft's May 2022 Patch Tuesday.

Impacted Technologies

VendorProductVersion(s)CPE
5.0CPE matchmatch criteria
cpe:2.3:a:microsoft:.net:5.0:*:*:*:*:*:*:*
6.0.0CPE matchmatch criteria
cpe:2.3:a:microsoft:.net:6.0.0:-:*:*:*:*:*:*
3.1CPE matchmatch criteria
cpe:2.3:a:microsoft:.net_core:3.1:-:*:*:*:*:*:*
>= 16.0, <= 16.0.11CPE matchmatch criteria
cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*
17.0CPE matchmatch criteria
cpe:2.3:a:microsoft:visual_studio_2022:17.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
5.06%
Probability of exploitation in next 30 days
EPSS Percentile
91.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0506 is in the 85th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (51)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10)Fixed in: 16.11.14
View patch
microsoftpatch availablevia msrc
Product: Microsoft Visual Studio 2022 version 17.1Fixed in: 17.1.7
View patch
microsoftpatch availablevia msrc
Product: Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)Fixed in: 16.9.21
View patch
microsoftpatch availablevia msrc
Product: Microsoft Visual Studio 2022 version 17.0Fixed in: 17.0.10
View patch
microsoftpatch availablevia msrc
Product: .NET 5.0Fixed in: 5.0.17
View patch
microsoftpatch availablevia msrc
Product: .NET Core 3.1Fixed in: 3.1.25
View patch
microsoftpatch availablevia msrc
Product: .NET 6.0Fixed in: 6.0.5
View patch
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.win-x86Fixed in: 6.0.5
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.osx-x64Fixed in: 3.1.25
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.osx-x64Fixed in: 5.0.17
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.osx-x64Fixed in: 6.0.5
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-musl-x64Fixed in: 3.1.25
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-musl-x64Fixed in: 5.0.17
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-musl-x64Fixed in: 6.0.5
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-arm64Fixed in: 3.1.25
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-arm64Fixed in: 5.0.17
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-arm64Fixed in: 6.0.5
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-armFixed in: 3.1.25
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-armFixed in: 5.0.17
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-armFixed in: 6.0.5
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.win-arm64Fixed in: 3.1.25
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.win-arm64Fixed in: 5.0.17
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.win-arm64Fixed in: 6.0.5
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.win-armFixed in: 3.1.25
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.win-armFixed in: 5.0.17
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.win-armFixed in: 6.0.5
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-musl-arm64Fixed in: 3.1.25
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-musl-arm64Fixed in: 5.0.17
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-musl-arm64Fixed in: 6.0.5
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-musl-armFixed in: 3.1.25
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.win-x64Fixed in: 3.1.25
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-musl-armFixed in: 6.0.5
nugetpatch availablevia ghsa
Product: Microsoft.Owin.Security.CookiesFixed in: 4.2.2
nugetpatch availablevia ghsa
Product: Microsoft.OwinFixed in: 4.2.2
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.osx-arm64Fixed in: 6.0.5
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-musl-armFixed in: 5.0.17
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.win-x64Fixed in: 5.0.17
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.win-x64Fixed in: 6.0.5
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-x64Fixed in: 3.1.25
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-x64Fixed in: 5.0.17
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-x64Fixed in: 6.0.5
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.win-x86Fixed in: 3.1.25
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.win-x86Fixed in: 5.0.17
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: dotnet6.0-0:6.0.105-1.el9_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: dotnet3.1-0:3.1.419-1.el8_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: dotnet5.0-0:5.0.214-1.el8_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: dotnet6.0-0:6.0.105-1.el8_6
View patch
redhatpatch availablevia redhat_api
Product: .NET Core on Red Hat Enterprise LinuxFixed in: rh-dotnet60-dotnet-0:6.0.105-1.el7_9
View patch
redhatpatch availablevia redhat_api
Product: .NET Core on Red Hat Enterprise LinuxFixed in: rh-dotnet50-dotnet-0:5.0.214-1.el7_9
View patch
redhatpatch availablevia redhat_api
Product: .NET Core on Red Hat Enterprise LinuxFixed in: rh-dotnet31-dotnet-0:3.1.419-1.el7_9
View patch

Vendor Advisories (3)

nugetGHSA-3rq8-h3gj-r5c6high

.NET Denial of Service Vulnerability

Aug 30, 2022
microsoft2022-May/CVE-2022-29117Important

.NET and Visual Studio Denial of Service Vulnerability

May 10, 2022
redhatCVE-2022-29117Important

dotnet: malicious content causes high CPU and memory usage

May 10, 2022

References

lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/GNXQL7EZORGU4PZCPJ5EPQ4P7IEY3ZZO
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/IBYSBUDJYQ76HK4TULXVIIPCKK2U6WDB
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/W5FPEQ6BTYRGTS6IYCDTZW6YF5HLQ3BY
portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2022-29117
PatchVendor Advisory
msrc.microsoft.com / update-guide/vulnerability/CVE-2022-29117