7.5

CVE-2024-21386: microsoft asp.net_core Uncontrolled Resource Consumption

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2024-21386GHSA-g74q-5xw3-j7q9BIT-aspnet-core-2024-21386
Published 13-02-2024Last modified 10-08-2026

Vulnerability summary

CVE-2024-21386 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in microsoft asp.net_core. EPSS estimates a 2.42% chance of exploitation in the next 30 days, higher than 83.9% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
2.42%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 10 · Related 1

Timeline

  1. 13-02-2024
    PublishedVulnerability first disclosed.
  2. 10-08-2026
    Last modifiedVulnerability information updated.

Description

.NET Denial of Service Vulnerability

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

2.42%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

+0.02 pp

From 2.40% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.42%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

NuGet12 products
  • Microsoft.AspNetCore.App.Runtime.linux-arm< 6.0.27 | ≥ 7.0.0, < 7.0.16 | ≥ 8.0.0, < 8.0.2
  • Microsoft.AspNetCore.App.Runtime.linux-arm64< 6.0.27 | ≥ 7.0.0, < 7.0.16 | ≥ 8.0.0, < 8.0.2
  • Microsoft.AspNetCore.App.Runtime.linux-musl-arm< 6.0.27 | ≥ 7.0.0, < 7.0.16 | ≥ 8.0.0, < 8.0.2
  • Microsoft.AspNetCore.App.Runtime.linux-musl-arm64< 6.0.27 | ≥ 7.0.0, < 7.0.16 | ≥ 8.0.0, < 8.0.2
  • Microsoft.AspNetCore.App.Runtime.linux-musl-x64< 6.0.27 | ≥ 7.0.0, < 7.0.16 | ≥ 8.0.0, < 8.0.2
Microsoft8 products
Ubuntu3 products
  • dotnet6< 6.0.127-0ubuntu1~22.04.1
  • dotnet7< 7.0.116-0ubuntu1~22.04.1
  • dotnet8< 8.0.102-8.0.2-0ubuntu1~22.04.1

3 vendors · 23 products

References

8 links