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Fencer Vulns
high 7.5

CVE-2021-22940 in the critical feed json

Node.js before 16.6.1, 14.17.5, and 12.22.5 is vulnerable to a use after free attack where an attacker might be able to exploit the memory…

published 2021-08-16 5 y ago modified 2026-10-16 24 d ago also BIT-node-2021-22940 , BIT-node-min-2021-22940 , EUVD-2021-10069

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
13.9%
EPSS 13.9% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known

Summary

Node.js before 16.6.1, 14.17.5, and 12.22.5 is vulnerable to a use after free attack where an attacker might be able to exploit the memory corruption, to change process behavior.

Patch / fix

  • bitnami node 12.22.5, 14.17.5, 16.6.2
  • bitnami node-min 12.22.5, 14.17.5, 16.6.2
  • NodeJS Node 12.22.5, 14.17.5, 16.6.2
  • nodejs Debian 14, Debian 13, Debian 12 12.22.5~dfsg-1

debian advisories DEBIAN-CVE-2021-22940

  • npm RHEL 8 1:6.14.14-1.14.17.5.1.module+el8.4.0+12247+e2879e58
  • nodejs RHEL 8 1:14.17.5-1.module+el8.4.0+12247+e2879e58
  • nodejs-nodemon RHEL 8 2.0.3-1.module+el8.3.0+6519+9f98ed83
  • nodejs-full-i18n RHEL 8 1:14.17.5-1.module+el8.4.0+12247+e2879e58
  • nodejs-packaging RHEL 8 23-3.module+el8.3.0+6519+9f98ed83
  • nodejs-packaging RHEL 8, RHEL 8.2 EUS, RHEL 8.1 EUS 17-3.module+el8.1.0+3369+37ae6a45
  • npm RHEL 8 1:6.14.14-1.12.22.5.1.module+el8.4.0+12242+af52a4c7
  • nodejs RHEL 8 1:12.22.5-1.module+el8.4.0+12242+af52a4c7

red hat advisories RHSA-2021:3666RHSA-2021:3639RHSA-2021:3638RHSA-2021:3623RHSA-2021:3280RHSA-2021:3281

  • nodejs10 SLES for SAP 15 SP2, SLES for SAP 15 SP1, SLES for SAP 15 +18 more 10.24.1-150000.1.47.1
  • nodejs14 SLE Module for Web and Scripting 15 SP3, SLE Module for Web and Scripting 15 SP2 14.17.5-5.15.5
  • nodejs14 SLE Module for Web and Scripting 12 14.17.5-6.15.3
  • nodejs12 SLE Module for Web and Scripting 15 SP3, SLE Module for Web and Scripting 15 SP2 12.22.5-4.19.1
  • nodejs12 SLE Module for Web and Scripting 12 12.22.5-1.35.1

suse advisories SUSE-SU-2022:2855-1SUSE-SU-2021:3211-1SUSE-SU-2021:3184-1SUSE-SU-2021:2875-1SUSE-SU-2021:2824-1

  • nodejs14 openSUSE Tumbleweed 14.17.5-1.2
  • nodejs16 openSUSE Tumbleweed 16.6.2-2.2
  • nodejs14 openSUSE Leap 15.2 14.17.5-lp152.14.1
  • nodejs14 openSUSE Leap 15.3 14.17.5-5.15.5
  • nodejs12 openSUSE Leap 15.2 12.22.5-lp152.3.18.1
  • nodejs12 openSUSE Leap 15.3 12.22.5-4.19.1

opensuse advisories openSUSE-SU-2024:11096-1openSUSE-SU-2024:11097-1openSUSE-SU-2021:1313-1openSUSE-SU-2021:3211-1openSUSE-SU-2021:1214-1openSUSE-SU-2021:2875-1

  • nodejs-nodemon AlmaLinux 8 2.0.3-1.module_el8.4.0+2521+c668cc9f
  • nodejs-packaging AlmaLinux 8 23-3.module_el8.5.0+254+b4526b16
  • nodejs-packaging AlmaLinux 8 23-3.module_el8.4.0+2522+3bd42762
  • npm AlmaLinux 8 1:6.14.14-1.12.22.5.1.module_el8.4.0+2529+af52a4c7
  • npm AlmaLinux 8 1:6.14.14-1.12.22.5.1.module_el8.5.0+85+79a7b441
  • nodejs AlmaLinux 8 1:12.22.5-1.module_el8.4.0+2529+af52a4c7
  • nodejs AlmaLinux 8 1:12.22.5-1.module_el8.5.0+85+79a7b441
  • nodejs-full-i18n AlmaLinux 8 1:12.22.5-1.module_el8.5.0+85+79a7b441

almalinux advisories ALSA-2021:3666ALSA-2021:3623

  • nodejs Rocky Linux 8 1:14.17.5-1.module+el8.4.0+654+17ff1d38
  • nodejs-nodemon Rocky Linux 8 2.0.3-1.module+el8.6.0+982+9fdca2d4
  • nodejs-nodemon Rocky Linux 8 2.0.3-1.module+el8.3.0+100+234774f7
  • nodejs-nodemon Rocky Linux 8 2.0.3-1.module+el8.4.0+638+5344c6f7
  • nodejs-packaging Rocky Linux 8 23-3.module+el8.7.0+1071+4bdda2a8
  • nodejs-packaging Rocky Linux 8 23-3.module+el8.3.0+100+234774f7
  • nodejs-packaging Rocky Linux 8 23-3.module+el8.5.0+733+de4fee6c
  • nodejs Rocky Linux 8 1:12.22.5-1.module+el8.4.0+647+e905fa21

rocky linux advisories RLSA-2021:3666RLSA-2021:3623

  • nodejs CBL-Mariner 2.0 16.14.0-1

azure linux advisories AZL-6745

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

  • nodejs Arch Linux 16.6.2-1

arch linux advisories AVG-2283

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-2021-22940 updated cvss 7.5

nodejs: Use-after-free on close http2 on stream canceling

  • Red Hat Quay 3 quay/quay-rhel8
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux AppStream (v. 8) nodejs 12.22.5-1.module+el8.4.0+12242+af52a4c7, nodejs 14.17.5-1.module+el8.4.0+12247+e2879e58, nodejs-packaging 17-3.module+el8.1.0+3369+37ae6a45, nodejs-packaging 23-3.module+el8.3.0+6519+9f98ed83, nodejs-nodemon 2.0.3-1.module+el8.3.0+6519+9f98ed83, nodejs-nodemon 2.0.3-1.module+el8.4.0+11732+c668cc9f, +4 more
    fixed: vendor fix RHSA-2021:3623
  • Red Hat Enterprise Linux AppStream EUS (v. 8.1) nodejs 12.22.5-1.module+el8.1.0+12238+63fe3aec, nodejs-packaging 17-3.module+el8.1.0+3369+37ae6a45, nodejs-nodemon 1.18.3-1.module+el8.1.0+3369+37ae6a45, npm 6.14.14-1.12.22.5.1.module+el8.1.0+12238+63fe3aec, nodejs-full-i18n 12.22.5-1.module+el8.1.0+12238+63fe3aec
    fixed: vendor fix RHSA-2021:3639
  • Red Hat Enterprise Linux AppStream EUS (v. 8.2) nodejs 12.22.5-1.module+el8.2.0+12241+a3db445b, nodejs-packaging 17-3.module+el8.1.0+3369+37ae6a45, nodejs-nodemon 1.18.3-1.module+el8.1.0+3369+37ae6a45, npm 6.14.14-1.12.22.5.1.module+el8.2.0+12241+a3db445b, nodejs-full-i18n 12.22.5-1.module+el8.2.0+12241+a3db445b
    fixed: vendor fix RHSA-2021:3638
  • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-nodejs12-nodejs 12.22.5-1.el7, rh-nodejs14-nodejs 14.17.5-1.el7, rh-nodejs12-npm 6.14.14-12.22.5.1.el7, rh-nodejs14-npm 6.14.14-14.17.5.1.el7, rh-nodejs12-nodejs-nodemon 2.0.3-5.el7 Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) rh-nodejs12-nodejs 12.22.5-1.el7, rh-nodejs14-nodejs 14.17.5-1.el7, rh-nodejs12-npm 6.14.14-12.22.5.1.el7, rh-nodejs14-npm 6.14.14-14.17.5.1.el7, rh-nodejs12-nodejs-nodemon 2.0.3-5.el7 Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-nodejs12-nodejs 12.22.5-1.el7, rh-nodejs14-nodejs 14.17.5-1.el7, rh-nodejs12-npm 6.14.14-12.22.5.1.el7, rh-nodejs14-npm 6.14.14-14.17.5.1.el7, rh-nodejs12-nodejs-nodemon 2.0.3-5.el7
    fixed: vendor fix RHSA-2021:3281
  • Red Hat Enterprise Linux 8 npm, nodejs, nodejs-libs, nodejs-nodemon, nodejs-full-i18n, nodejs-packaging, +1 more Red Hat Enterprise Linux 9 npm, nodejs, nodejs-libs, nodejs-full-i18n Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-nodejs14-nodejs-nodemon 2.0.3-5.el7 Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) rh-nodejs14-nodejs-nodemon 2.0.3-5.el7 Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-nodejs14-nodejs-nodemon 2.0.3-5.el7
    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

13.86% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

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

Affected packages

ecosystem package affected fixed in
bitnami node
>=12.0.0, <12.22.5
>=14.0.0, <14.17.5
>=16.0.0, <16.6.2
12.22.5
14.17.5
16.6.2
bitnami node-min
>=12.0.0, <12.22.5
>=14.0.0, <14.17.5
>=16.0.0, <16.6.2
12.22.5
14.17.5
16.6.2

Affected products

  • NodeJS Node

Classification

Weakness
Technology feeds

References

Sources

Fencer Vulns 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.