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Net Core CVE-2022-38013

HIGH
Uncontrolled Resource Consumption (CWE-400)
2022-09-13 secure@microsoft.com
Denial Of Service Microsoft Fedora Visual Studio 2019 Visual Studio 2022 Net Net Core Fedoraproject
7.5
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-400
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V2 - Validation and Business Logic Resource consumption limits
MITRE ATT&CK

1 technique across 1 tactic: Impact

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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Impact

CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 1.76%.
Exploit ScenarioDerived

A remote attacker could cause denial of service by exhausting system resources by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.
This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 1.8% exploitation probability (EPSS)

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AnalysisAI

.NET Core and Visual Studio Denial of Service Vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Implement rate limiting, set resource quotas, validate input sizes, use timeouts.

Affected Packages

nuget microsoft.aspnetcore.app.runtime.linux-arm fix: 3.1.29, 6.0.9
nuget microsoft.aspnetcore.app.runtime.linux-arm64 fix: 3.1.29, 6.0.9
nuget microsoft.aspnetcore.app.runtime.linux-musl-arm fix: 6.0.9
nuget microsoft.aspnetcore.app.runtime.linux-musl-arm64 fix: 3.1.29, 6.0.9
nuget microsoft.aspnetcore.app.runtime.linux-musl-x64 fix: 3.1.29, 6.0.9
nuget microsoft.aspnetcore.app.runtime.linux-x64 fix: 3.1.29, 6.0.9
nuget microsoft.aspnetcore.app.runtime.osx-arm64 fix: 6.0.9
nuget microsoft.aspnetcore.app.runtime.osx-x64 fix: 3.1.29, 6.0.9
nuget microsoft.aspnetcore.app.runtime.win-arm fix: 3.1.29, 6.0.9
nuget microsoft.aspnetcore.app.runtime.win-arm64 fix: 3.1.29, 6.0.9
nuget microsoft.aspnetcore.app.runtime.win-x64 fix: 3.1.29, 6.0.9
nuget microsoft.aspnetcore.app.runtime.win-x86 fix: 3.1.29, 6.0.9

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 12 packages in nuget

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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Technical ContextAI · show details

This vulnerability is classified as Uncontrolled Resource Consumption (CWE-400), which allows attackers to cause denial of service by exhausting system resources. Affected products include: Microsoft .Net, Microsoft .Net Core, Microsoft Visual Studio 2019, Microsoft Visual Studio 2022, Fedoraproject Fedora.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

DescriptionCVE.org

.NET Core and Visual Studio Denial of Service Vulnerability

Threat Intelligence Overview

EPSS Score
1.8%
Top 17% exploitable
Data Quality
4 sources
Confidence: Medium
NVD CVE.org EPSS VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 1.8%
Patch available Yes
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

40
Low Medium High Critical
KEV: 0
EPSS: +2
CVSS: +38
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)CVE.org

cpe:2.3:a:microsoft:.net:6.0.0:-:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_core:3.1:-:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2019:16.9:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2019:16.11:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2022:17.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2022:17.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2022:17.3:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2022:17.3:*:*:*:*:mac:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*

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References

Advisories & patches
PATCH https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-38013 ADVISORY https://vuldb.com/vuln/208467 REF https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2CUL3Z7MEED7RFQZVGQL2MTKSFFZKAAY/ REF https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7HCV4TQGOTOFHO5ETRKGFKAGYV2YAUVE/ REF https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JA6F4CDKLI3MALV6UK3P2DR5AGCLTT7Y/ REF https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K4K5YL7USOKIR3O2DUKBZMYPWXYPDKXG/ REF https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WL334CKOHA6BQQSYJW365HIWJ4IOE45M/ REF https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-38013

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