7.5
HIGH CVSS 3.1
CVE-2024-37890
Denial of service when handling a request with many HTTP headers in ws
Description

ws is an open source WebSocket client and server for Node.js. A request with a number of headers exceeding theserver.maxHeadersCount threshold could be used to crash a ws server. The vulnerability was fixed in [email protected] (e55e510) and backported to [email protected] (22c2876), [email protected] (eeb76d3), and [email protected] (4abd8f6). In vulnerable versions of ws, the issue can be mitigated in the following ways: 1. Reduce the maximum allowed length of the request headers using the --max-http-header-size=size and/or the maxHeaderSize options so that no more headers than the server.maxHeadersCount limit can be sent. 2. Set server.maxHeadersCount to 0 so that no limit is applied.

INFO

Published Date :

June 17, 2024, 8:15 p.m.

Last Modified :

Nov. 21, 2024, 9:24 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2024-37890 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
Solution
Upgrade affected packages to remediate the denial of service vulnerability.
  • Update the affected packages.
  • Upgrade CycleCloud to version 8.6.3.
Public PoC/Exploit Available at Github

CVE-2024-37890 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2024-37890 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2024-37890 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

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Dockerfile Shell TypeScript

Updated: 1 day, 9 hours ago
0 stars 0 fork 0 watcher
Born at : Sept. 4, 2025, 4 p.m. This repo has been linked 3 different CVEs too.

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JavaScript Ruby Starlark Java Makefile C++ Objective-C Objective-C++

Updated: 1 year, 2 months ago
0 stars 0 fork 0 watcher
Born at : June 12, 2022, 8:39 p.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2024-37890 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2024-37890 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/websockets/ws/commit/22c28763234aa75a7e1b76f5c01c181260d7917f
    Added Reference https://github.com/websockets/ws/commit/4abd8f6de4b0b65ef80b3ff081989479ed93377e
    Added Reference https://github.com/websockets/ws/commit/e55e5106f10fcbaac37cfa89759e4cc0d073a52c
    Added Reference https://github.com/websockets/ws/commit/eeb76d313e2a00dd5247ca3597bba7877d064a63
    Added Reference https://github.com/websockets/ws/issues/2230
    Added Reference https://github.com/websockets/ws/pull/2231
    Added Reference https://github.com/websockets/ws/security/advisories/GHSA-3h5v-q93c-6h6q
    Added Reference https://nodejs.org/api/http.html#servermaxheaderscount
  • CVE Received by [email protected]

    Jun. 17, 2024

    Action Type Old Value New Value
    Added Description ws is an open source WebSocket client and server for Node.js. A request with a number of headers exceeding theserver.maxHeadersCount threshold could be used to crash a ws server. The vulnerability was fixed in [email protected] (e55e510) and backported to [email protected] (22c2876), [email protected] (eeb76d3), and [email protected] (4abd8f6). In vulnerable versions of ws, the issue can be mitigated in the following ways: 1. Reduce the maximum allowed length of the request headers using the --max-http-header-size=size and/or the maxHeaderSize options so that no more headers than the server.maxHeadersCount limit can be sent. 2. Set server.maxHeadersCount to 0 so that no limit is applied.
    Added Reference GitHub, Inc. https://github.com/websockets/ws/security/advisories/GHSA-3h5v-q93c-6h6q [No types assigned]
    Added Reference GitHub, Inc. https://github.com/websockets/ws/issues/2230 [No types assigned]
    Added Reference GitHub, Inc. https://github.com/websockets/ws/pull/2231 [No types assigned]
    Added Reference GitHub, Inc. https://github.com/websockets/ws/commit/22c28763234aa75a7e1b76f5c01c181260d7917f [No types assigned]
    Added Reference GitHub, Inc. https://github.com/websockets/ws/commit/4abd8f6de4b0b65ef80b3ff081989479ed93377e [No types assigned]
    Added Reference GitHub, Inc. https://github.com/websockets/ws/commit/e55e5106f10fcbaac37cfa89759e4cc0d073a52c [No types assigned]
    Added Reference GitHub, Inc. https://github.com/websockets/ws/commit/eeb76d313e2a00dd5247ca3597bba7877d064a63 [No types assigned]
    Added Reference GitHub, Inc. https://nodejs.org/api/http.html#servermaxheaderscount [No types assigned]
    Added CWE GitHub, Inc. CWE-476
    Added CVSS V3.1 GitHub, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact