No exploitation reportedFix available

CVE-2021-22930

Q: Is CVE-2021-22930 actively exploited?

Active exploitation of CVE-2021-22930 has not been confirmed. Its EPSS score was 36.5% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2021-22930?

CVE-2021-22930 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2021-10-07
Fixed in16.6.0 · 14.17.4 · 12.22.4
WeaknessCWE-416

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC

2021-10-0714:15CVE publishedNVD
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-22930?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-22930?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV

Node.js

Branch	Affected	Fixed in	Source
16.x	≥ 16.0.0, < 16.6.0	16.6.0	NVD · OSV
14.x	≥ 14.0.0, < 14.17.4	14.17.4	NVD · OSV
12.x	≥ 12.0.0, < 12.22.4	12.22.4	NVD · OSV

Debian debian linux

Branch	Affected	Fixed in	Source
10.0	= 10.0	no fix published	NVD

Netapp nextgen api

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

1 more product in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

nodejsAlmaLinux:8all versions · fixed in 1:12.22.5-1.module_el8.4.0+2529+af52a4c7and 3 other packages
nodejsAlmaLinux:8all versions · fixed in 1:12.22.5-1.module_el8.5.0+85+79a7b441and 2 other packages
nodejs-nodemonAlmaLinux:8all versions · fixed in 2.0.3-1.module_el8.4.0+2521+c668cc9f
nodejs-packagingAlmaLinux:8all versions · fixed in 17-3.module_el8.3.0+2023+d2377ea3
nodejs-packagingAlmaLinux:8all versions · fixed in 17-3.module_el8.4.0+2224+b07ac28e
nodejs-packagingAlmaLinux:8all versions · fixed in 17-3.module_el8.4.0+2521+c668cc9f
nodejs-packagingAlmaLinux:8all versions · fixed in 23-3.module_el8.4.0+2522+3bd42762
nodejs-packagingAlmaLinux:8all versions · fixed in 23-3.module_el8.5.0+254+b4526b16

2 more package ranges on OSV.dev

Full record on NVD

Fix

Update Node.js to 16.6.0 · 14.17.4 · 12.22.4

Advisories and patches

cert-portal.siemens.comPatch
nodejs.orgPatch · Vendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.19.8read 2026-10-23
NVDCVSS 2.07.5read 2026-10-23
CNAweakness (CWE)CWE-416read 2026-10-23
NVDweakness (CWE)CWE-416read 2026-10-23
FIRST EPSSEPSS score36.5 %read 2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2021-10-07
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2021-22930?

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.

Is CVE-2021-22930 actively exploited?

Active exploitation of CVE-2021-22930 has not been confirmed. Its EPSS score was 36.5% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-22930?

CVE-2021-22930 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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