cve.bz

CVE-2024-21536

7.7 highEPSS 1.0%

High (7.7) in chimurai http-proxy-middleware. EPSS 1.0% chance of exploitation in the next 30 days. Fixed in http-proxy-middleware 2.0.7, 3.0.3.

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.

Severity

CVSS 4.0

7.7 high
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
1.0% chance of exploitation in the next 30 days; higher than 63% of CVEs (scores of 2026-10-31)
CWE
CWE-400
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-c7qv-q95q-8v27npmhttp-proxy-middleware<2.0.72.0.7
GHSA-c7qv-q95q-8v27npmhttp-proxy-middleware>=3.0.0 <3.0.33.0.3

References

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