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Fencer Intel
high 7.5

CVE-2020-8251 json

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

published 6y ago modified 2mo ago also BIT-node-2020-8251 , BIT-node-min-2020-8251 , EUVD-2020-29121

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
8.4%
EPSS 8.4% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known

Summary

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.

Patch / fix

  • bitnami node 14.11.0
  • bitnami node-min 14.11.0
  • NodeJS Node 14.11.0
  • nodejs14 openSUSE Tumbleweed 14.17.5-1.2

opensuse advisories openSUSE-SU-2024:11096-1

  • nodejs-current Alpine 3.24, Alpine 3.23, Alpine 3.22 +9 more 14.11.0-r0

alpine advisories ALPINE-CVE-2020-8251

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Is CVE-2020-8251 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-8251 updated cvss 7.5

nodejs: Denial of Service by resource exhaustion CWE-400 due to unfinished HTTP/1.1 requests

  • Red Hat Quay 3 quay
    affected: no fix available “Fix deferred”
  • Red Hat Enterprise Linux 8 npm, nodejs, nodejs-libs, nodejs-nodemon, nodejs-full-i18n, nodejs-packaging, +1 more Red Hat Software Collections rh-nodejs10-npm, rh-nodejs12-npm, rh-nodejs10-nodejs, rh-nodejs12-nodejs
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

8.36% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
OSV 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
bitnami node
>=14.0.0, <14.11.0
14.11.0
bitnami node-min
>=14.0.0, <14.11.0
14.11.0

Affected products

  • NodeJS Node

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.