CVE-2024-21536
CVSS v3
7.5
HIGH
EPSS Score
1.0 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2024-10-19
Frequently asked questions
What is CVE-2024-21536?
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.
Is CVE-2024-21536 actively exploited?
Active exploitation of CVE-2024-21536 has not been confirmed. Its EPSS score was 1.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2024-21536?
CVE-2024-21536 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2024-21536 affecting your environment?
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