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No exploitation reportedFix available

CVE-2021-22931

No exploitation reported by the sources we read.

  • Published2021-08-16
  • Fixed in16.6.2 · 14.17.5 · 14.14.1 · 12.22.5 · 12.12.1
  • WeaknessCWE-170 · CWE-20

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 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.

Timeline

dates in UTC
  1. 2021-08-1619:15CVE publishedNVD

Versions per branch

NVD · OSV
Node.js
BranchAffectedFixed in
16.x≥ 16.0.0, < 16.6.216.6.2
14.x≥ 14.15.0, < 14.17.514.17.5
14.x≥ 14.0.0, < 14.14.114.14.1
12.x≥ 12.13.0, < 12.22.512.22.5
12.x≥ 12.0.0, < 12.12.112.12.1
12.x≥ 12.0.0, ≤ 12.12.0no fix published
14.x≥ 14.0.0, ≤ 14.14.0no fix published
Oracle peoplesoft enterprise peopletools
BranchAffectedFixed in
8.57= 8.57no fix published
8.58= 8.58no fix published
8.59= 8.59no fix published
Oracle graalvm
BranchAffectedFixed in
20.3= 20.3.3no fix published
21.2= 21.2.0no fix published

7 more products in the sources.

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

Products declared by the CNA1 product

As hackerone, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • NodeJS Nodeother versions: not affected
    Affected
    • ≥ 4.0, < 4.*no fix statedsemver
    • ≥ 5.0, < 5.*no fix statedsemver
    • ≥ 6.0, < 6.*no fix statedsemver
    • ≥ 7.0, < 7.*no fix statedsemver
    • ≥ 8.0, < 8.*no fix statedsemver
    • ≥ 9.0, < 9.*no fix statedsemver
    • ≥ 10.0, < 10.*no fix statedsemver
    • ≥ 11.0, < 11.*no fix statedsemver

    5 more version lines in the CVE record.

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2025-04-30

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

  • nodejsRocky Linux:8all versions · fixed in 1:12.22.5-1.module+el8.4.0+647+e905fa21
  • nodejsRocky Linux:8all versions · fixed in 1:14.17.5-1.module+el8.4.0+654+17ff1d38
  • nodejsRed Hat:rhel_eus:8.2::appstreamall versions · fixed in 1:12.22.5-1.module+el8.2.0+12241+a3db445band 5 other packages
  • nodejsRed Hat:rhel_eus:8.1::appstreamall versions · fixed in 1:12.22.5-1.module+el8.1.0+12238+63fe3aecand 5 other packages
  • nodejsRed Hat:enterprise_linux:8::appstreamall versions · fixed in 1:12.22.5-1.module+el8.4.0+12242+af52a4c7and 5 other packages
  • nodejsRed Hat:enterprise_linux:8::appstreamall versions · fixed in 1:14.17.5-1.module+el8.4.0+12247+e2879e58and 5 other packages
  • nodejsMageia:8all versions · fixed in 14.17.6-1.mga8
  • nodejsCleanStartall versions · fixed in 14.17.5-r0and 3 other packages

76 more package ranges on OSV.dev

Vendor advisories

  • CVE-2021-22931 Red Hat Product Security194 products fixed · 1 known affected

    nodejs: Improper handling of untypical characters in domain names

    quay/quay-rhel8 as a component of Red Hat Quay 3

  • ICSA-22-069-09 CISA1 known affected

    Siemens SINEC INS

    SINEC INS

  • SSA-389290 Siemens ProductCERT1 known affected

    SSA-389290: Third-Party Component Vulnerabilities in SINEC INS

    SINEC INS

  • RHSA-2021:3666 Red Hat Product Security30 products fixed

    Red Hat Security Advisory: nodejs:14 security and bug fix update

  • RHSA-2021:3638 Red Hat Product Security30 products fixed

    Red Hat Security Advisory: nodejs:12 security and bug fix update

  • RHSA-2021:3639 Red Hat Product Security30 products fixed

    Red Hat Security Advisory: nodejs:12 security and bug fix update

3 more advisories

Full record on NVD

Fix

  1. Update Node.js to 16.6.2 · 14.17.5 · 14.14.1 · 12.22.5 · 12.12.1
  2. Vendor fix Siemens ProductCERT SSA-389290 · 1 productUpdate to V1.0.1.1 or later version
  3. Vendor fix CISA ICSA-22-069-09 · 1 productUpdate to V1.0.1.1 or later version
  4. Vendor fix Red Hat Product Security RHSA-2021:3666 · 30 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
  5. No fix planned, says the vendor Red Hat Product Security CVE-2021-22931 · 1 productWill not fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • CISA-ADPSSVC decisionnone2024-01-11
  • NVDCVSS 3.19.8read 2026-10-23
  • NVDCVSS 2.07.5read 2026-10-23
  • CNAweakness (CWE)CWE-170known since 2026-10-23
  • NVDweakness (CWE)CWE-20read 2026-10-23
  • FIRST EPSSEPSS score22.0 %read 2026-11-09
  • OSVaffected packages—
  • GitHub Advisoriesadvisory—

Identifiers

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
2021-08-16
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-7r9p-c88x-w357

Frequently asked questions

What is CVE-2021-22931?

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.

Is CVE-2021-22931 actively exploited?

Active exploitation of CVE-2021-22931 has not been confirmed. Its EPSS score was 22.0% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

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

CVE-2021-22931 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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