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CVE-2023-38180

Uncontrolled Resource Consumption: Is CVE-2023-38180 real, exploitable, or a false positive? Here's the community verdict.

Community verdict: No field verdicts yet. Be the first practitioner to weigh in.

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signals

public sources

Exploited in wild
Yes
CISA KEV · Aug 9, 2023
Public exploit
None known
Metasploit/EDB/PoC
Base severity
7.5 High
CVSS
Exploitation prob.
14%
FIRST EPSS
Weakness
CWE-400 · Uncontrolled Resource Consumption
CWE

Confirmed exploited in the wild. Patch this first, regardless of the base score.

cisa ssvc

CISA Vulnrichment · assessed

Exploitation
Active
in the wild
Automatable
Yes
at scale
Technical impact
Partial
on success

CISA decision, by how critical the affected system is to you:

  • low impact → Attend
  • medium impact → Attend
  • high impact → Act

Track: normal patch cycle · Track*: watch closely · Attend: patch sooner · Act: patch now. About SSVC ↗

affected packages

GHSA-vmch-3w2x-vhgq · GitHub rates it high
  • NuGetMicrosoft.AspNetCore.App.Runtime.win-arm64
    Vulnerable
    ≥ 7.0.0, < 7.0.10; ≥ 6.0.0, < 6.0.21
    Fixed in
    7.0.10, 6.0.21
  • NuGetMicrosoft.AspNetCore.App.Runtime.win-x64
    Vulnerable
    ≥ 7.0.0, < 7.0.10; ≥ 6.0.0, < 6.0.21
    Fixed in
    7.0.10, 6.0.21
  • NuGetMicrosoft.AspNetCore.App.Runtime.win-x86
    Vulnerable
    ≥ 7.0.0, < 7.0.10; ≥ 6.0.0, < 6.0.21
    Fixed in
    7.0.10, 6.0.21
  • NuGetMicrosoft.AspNetCore.Server.Kestrel.Transport.Libuv
    Vulnerable
    ≥ 6.0.0, < 6.0.21; < 2.1.40
    Fixed in
    6.0.21, 2.1.40
  • NuGetMicrosoft.AspNetCore.Server.Kestrel.Transport.Sockets
    Vulnerable
    < 2.1.40
    Fixed in
    2.1.40

Source: GitHub Advisory Database (CC-BY 4.0), via OSV.dev. Check your lockfile version against the ranges above.

baseline read

auto · not a community verdict

Real — exploited in the wild

CISA confirms active exploitation. Treat scanner hits as true positives unless your specific version or config is unaffected.

Based on CISA KEV

Confirm or dispute →
Affected:MicrosoftFedoraproject

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

.NET and Visual Studio Denial of Service Vulnerability

NVD only has a brief summary for this one. The community fills in the real-world detail below.

References

NVD MITRE CVE.org CISA KEV VulnCheck KEV

Published · Added to CISA KEV (1 day after publication)

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timeline

  1. CISA SSVC assessment · exploitation: active
  2. Added to VulnCheck KEV · reported exploited in the wild
  3. Added to CISA KEV · confirmed exploited in the wild
  4. Published by NVD

Score and exploit changes tracked since .

Community ground truth

Be the first practitioner to weigh in

So far this is only TruePositive's editorial baseline from public sources. Add your real-world verdict below — it becomes the signal the next person triaging this relies on.

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In your experience, is this finding real and exploitable?

awaiting field verdicts
Real, but not a risk here
Not a real issue

Curated baseline: TruePositive's read from public sources is Real & exploitable — a starting point, not a community verdict.

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Field notes & remediation

Verdicts are the quick signal. Notes are the evidence and fixes behind them.

  • 0
    Field note · TruePositive EditorialCurated

    Microsoft .NET Core and Visual Studio Denial-of-Service Vulnerability — Microsoft .NET Core and Visual Studio contain an unspecified vulnerability that allows for denial-of-service (DoS). Listed in the CISA KEV catalog (added 2023-08-09) — confirmed exploited in the wild, not theoretical. FIRST EPSS puts the chance of exploitation in the next 30 days at ~14%. Treat it as real and prioritize remediation over triage.

  • 0
    Remediation · TruePositive EditorialCurated

    Required action for Microsoft .NET Core and Visual Studio: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA set a federal remediation due date of 2023-08-30. After patching, verify the vulnerable path is no longer reachable before closing the finding.

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Related CVEs

Same weakness: CWE-400 · Uncontrolled Resource Consumption.