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CVE-2021-22930

51
FAUCET Score

CVE-2021-22930 is a critical use-after-free vulnerability affecting Node.js versions prior to 16.6.0, 14.17.4, and 12.22.4, as well as products from Debian, NetApp, and Siemens. With a CVSS score of 9.8, it allows unauthenticated remote attackers to exploit memory corruption, potentially leading to complete compromise of confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion and media coverage, indicating awareness of its severity.

Impacted Technologies

VendorProductVersion(s)CPE
>= 12.0, < 12.22.4CPE match
cpe:2.3:a:nodejs:node.js:*:*:*:*:*:*:*:*
>= 14.0, < 14.17.4CPE match
cpe:2.3:a:nodejs:node.js:*:*:*:*:*:*:*:*
>= 16.0, < 16.6.0CPE match
cpe:2.3:a:nodejs:node.js:*:*:*:*:*:*:*:*
>= 12.0.0, < 12.22.4CPE matchmatch criteria
cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*
>= 14.0.0, < 14.17.4CPE matchmatch criteria
cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
36.45%
Probability of exploitation in next 30 days
EPSS Percentile
98.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.3645 is in the 96th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (15)

microsoftpatch availablevia msrc
Product: 18775-16823Fixed in: 16.14.0-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 16.14.0-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 16.14.0-1
microsoftpatch availablevia msrc
Product: cbl2 nodejs 16.14.0-1 on CBL Mariner 2.0Fixed in: 16.14.0-1
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.1 Extended Update SupportFixed in: nodejs:12-8010020210817113128.c27ad7f8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-nodejs14-nodejs-0:14.17.5-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-nodejs12-nodejs-0:12.22.5-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-nodejs12-nodejs-nodemon-0:2.0.3-5.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSFixed in: rh-nodejs14-nodejs-0:14.17.5-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSFixed in: rh-nodejs12-nodejs-0:12.22.5-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSFixed in: rh-nodejs12-nodejs-nodemon-0:2.0.3-5.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.2 Extended Update SupportFixed in: nodejs:12-8020020210817125332.4cda2c84
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: nodejs:12-8040020210817133458.522a0ee4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: nodejs:14-8040020210817165654.522a0ee4
View patch
redhatend of lifevia redhat_api
Product: Red Hat Quay 3Fixed in: quay/quay-rhel8

Vendor Advisories (3)

microsoft2021-Dec/CVE-2021-22930

CVE-2021-22930

Dec 14, 2021
microsoft2021-Oct/CVE-2021-22930Critical

Node.js before 16.6.0 14.17.4 and 12.22.4 is vulnerable to a use after free attack where an attacker might be able to exploit the memory corruption to change process behavior.

Oct 12, 2021
redhatCVE-2021-22930Important

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

Jul 29, 2021

References

cert-portal.siemens.com / productcert/pdf/ssa-389290.pdf
PatchThird Party Advisory
hackerone.com / reports/1238162
Permissions RequiredThird Party Advisory
lists.debian.org / debian-lts-announce/2022/10/msg00006.html
Mailing ListThird Party Advisory
nodejs.org / en/blog/vulnerability/july-2021-security-releases-2
PatchVendor Advisory
security.gentoo.org / glsa/202401-02
security.netapp.com / advisory/ntap-20211112-0002
Third Party Advisory