8.7

CVE-2024-21536: chimurai http-proxy-middleware Uncontrolled Resource Consumption

CVSS: 8.7v4.0HighModified
AliasesCGA-4phf-8r5j-89v8CGA-4xfm-2jgw-5c2cCGA-62px-7q4f-mr78
Published 19-10-2024Last modified 02-08-2026
Open JSON

Vulnerability summary

CVE-2024-21536 is a high (CVSS 8.7) Uncontrolled Resource Consumption vulnerability in chimurai http-proxy-middleware. EPSS estimates a 1.03% chance of exploitation in the next 30 days, higher than 63.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
45/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.7/10
010
High · v4.0 (CVE.org)
EPSS score
1.03%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 0 · Related 2
CGA-H47M-287P-R23RCGA-H4P3-3CX6-GH6R

Timeline

  1. 19-10-2024
    PublishedVulnerability first disclosed.
  2. 02-08-2026
    Last modifiedVulnerability information updated.

Description

Versions of the package http-proxy-middleware before 2.0.7, from 3.0.0 and before 3.0.3 are vulnerable to Denial of Service (DoS) due to an UnhandledPromiseRejection error thrown by micromatch. An attacker could kill the Node.js process and crash the server by making requests to certain paths.

CVSS metrics

6 scores · 5 sources · 2 versions

EPSS trend

Probability

1.03%

Chance of exploitation in the next 30 days

Percentile

64%

Versus all other CVEs

30-day change

0.00 pp

From 1.03% on 22-09-2026

22-09-202622-10-2026
EPSS score
1.03%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    28Be67266D82A53708Ed59Ce5Dc3C94A

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Chainguard13 products
  • arangodb-3.11< 3.11.14.5-r20
  • argo-workflows< 3.6.5-r2
  • katib-earlystopping< 0.19.0-r31
  • katib-suggestion-goptuna-compatAll versions (No fix recorded)
  • katib-suggestion-hyperband< 0.19.0-r31
Wolfi12 products
  • argo-workflows< 3.6.5-r2
  • katib-earlystopping< 0.19.0-r31
  • katib-suggestion-goptuna-compatAll versions (No fix recorded)
  • katib-suggestion-hyperband< 0.19.0-r31
  • katib-suggestion-hyperopt< 0.19.0-r40 | < 0.19.0-r31
Chimurai1 product
Npm1 product
  • http-proxy-middleware< 2.0.7 | ≥ 3.0.0, < 3.0.3

4 vendors · 27 products

References

8 links