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Vulnerability record · CVE-2020-8251 · published 18 September 2020

CVE-2020-8251: Nodejs node.js uncontrolled resource consumption vulnerability

Nodejs · Node.Js

Node.js < 14.11.0 is vulnerable to HTTP denial of service (DoS) attacks based on delayed requests submission which can make the server unable to accept new connections.

7.5 CVSS 3.1 High EPSS 8.4% · top 5.2% CWE-400 · Uncontrolled resource consumption
7.5CVSS 3.1 base score, v2 5.0
8.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

Node.js < 14.11.0 is vulnerable to HTTP denial of service (DoS) attacks based on delayed requests submission which can make the server unable to accept new connections.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://hackerone.com/reports/868834 Permissions Required
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UXN
https://nodejs.org/en/blog/vulnerability/september-2020-security-releases/ Vendor Advisory
https://security.gentoo.org/glsa/202101-07 Third Party Advisory
https://security.netapp.com/advisory/ntap-20201009-0004/ Third Party Advisory
https://hackerone.com/reports/868834 Permissions Required
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UXN
https://nodejs.org/en/blog/vulnerability/september-2020-security-releases/ Vendor Advisory
https://security.gentoo.org/glsa/202101-07 Third Party Advisory
https://security.netapp.com/advisory/ntap-20201009-0004/ Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2020-8251), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.