Is CVE-2021-22931 in the CISA KEV catalog?

No. CVE-2021-22931 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-22931?

CVE-2021-22931 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2021-22931?

CVE-2021-22931 has an EPSS score of 21.95% (97th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-22931?

Upgrade Node.js to 16.6.2 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2021-22931

CRITICALEPSS 97th pctl

9.8

CVSS v3

NVD

Description

Node.js before 16.6.0, 14.17.4, and 12.22.4 is vulnerable to Remote Code Execution, XSS, Application crashes due to missing input validation of host names returned by Domain Name Servers in Node.js dns library which can lead to output of wrong hostnames (leading to Domain Hijacking) and injection vulnerabilities in applications using the library.

CWE-170 CWE-20Improper Input Validation

How to fix

Remediation Available

Node.jsWindows application

Affected:16.0.0 16.6.2Fixed in:16.6.2Node.js Foundation

Affected:14.15.0 14.17.5Fixed in:14.17.5Node.js Foundation

Affected:12.13.0 12.22.5Fixed in:12.22.5Node.js Foundation

Node.js (LTS)Windows application

Affected:16.0.0 16.6.2Fixed in:16.6.2Node.js Foundation

Affected:14.15.0 14.17.5Fixed in:14.17.5Node.js Foundation

Affected:12.13.0 12.22.5Fixed in:12.22.5Node.js Foundation

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

21.95%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% of all known CVEs.

References

Patch4

Exploit1

hackerone.com

Third-Party Advisory3

Other references1

security.gentoo.org

Related Vulnerabilities

Other CWE-170 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-11045	Low	3.7	8.8%	-	Fix
CVE-2019-11044	Low	3.7	5.1%	-	Fix
CVE-2019-8275	Critical	9.8	4.0%	-	Fix
CVE-2020-27736	Medium	6.5	3.6%	-	Fix
CVE-2021-31886	Critical	9.8	3.0%	-	Fix
CVE-2020-7066	Medium	5.3	2.8%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.