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.

Published: 2021-10-07 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2021-22930 is rated High Risk (78.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 37.29%, 98th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +36.94% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2021-22930

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.35% 37.29% +36.94%
2 2026-03-04 0.43% 0.35% -0.08%
3 2026-03-01 0.43%

Full EPSS history (36 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2021-22930

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 5.9 [email protected]
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2021-22930

OS Trackers for CVE-2021-22930

vendor priority summary link
alpine CVE-2021-22930: 2 source package rows (nodejs, nodejs-current); 56 state rows across 16 repos (3.11-main, 3.12-main, 3.17-community, 3.17-main, 3.18-community, 3.18-main, 3.19-community, 3.19-main, 3.20-community, 3.20-main, 3.21-community, 3.21-main, 3.22-community, 3.22-main, edge-community, edge-main); fixed 16, open 40. https://security.alpinelinux.org/vuln/CVE-2021-22930
debian not yet assigned CVE-2021-22930 not yet assigned priority: Debian including 1 source packages (nodejs), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2021-22930
gentoo low CVE-2021-22930: 2 GLSA(s) (202401-02, 202405-29), 2 atom(s) (net-dns/c-ares, net-libs/nodejs); latest impact low. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2021-22930
redhat high https://access.redhat.com/security/cve/CVE-2021-22930
suse critical CVE-2021-22930 severity critical: SUSE including 71 source package names (12:nodejs12-12.22.5-4.19.1, 12:npm12-12.22.5-4.19.1, …), 291 product×package rows across 37 product lines (Container bci/node, Container bci/nodejs, … (37 product lines)): Fixed 291. https://www.suse.com/security/cve/CVE-2021-22930/
ubuntu low CVE-2021-22930 low priority: Ubuntu including 1 source packages (nodejs), 15 status rows across 15 suites (bionic, focal, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 10, ignored 3, needed 1, released 1. https://ubuntu.com/security/CVE-2021-22930

Affected software / configurations for CVE-2021-22930

Vendor Product Version Raw CPE
nodejs node.js >= 12.0.0, < 12.22.4 cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*
nodejs node.js >= 14.0.0, < 14.17.4 cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*
nodejs node.js >= 16.0.0, < 16.6.0 cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
netapp nextgen_api cpe:2.3:a:netapp:nextgen_api:-:*:*:*:*:*:*:*
siemens sinec_infrastructure_network_services < 1.0.1.1 cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:*
debian debian_linux 10.0 cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

References for CVE-2021-22930

cvelogic Threat Intelligence