CVE-2021-22931

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-24. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 22%CVSS: 9.8Exploit: Elevated riskExposed: 0

A fix is available — apply it.

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.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
75(Track)
EG Risk 75/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
22%
EPSS %ILE
97%
KEV
Not listed

Published

August 16, 2021

Last Modified

November 21, 2024

Advisory Details (5)

Auto-updated Jun 20, 2026
No patch confirmed yet.
generic

NetApp Product Security

https://security.netapp.com/advisory/ntap-20211022-0003/
generic

NetApp Product Security

https://security.netapp.com/advisory/ntap-20210923-0001/
generic

c-ares: Multiple Vulnerabilities (GLSA 202401-02) — Gentoo security

https://security.gentoo.org/glsa/202401-02
generic

Node.js — August 2021 Security Releases

https://nodejs.org/en/blog/vulnerability/aug-2021-security-releases/
generic

HackerOne

https://hackerone.com/reports/1178337

Vendor Advisories for CVE-2021-22931(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(6)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatnodejs:14-8040020210817165654.522a0ee42021-09-27redhat
redhatnodejs:12-8010020210817113128.c27ad7f82021-09-22redhat
redhatnodejs:12-8020020210817125332.4cda2c842021-09-22redhat
redhatnodejs:12-8040020210817133458.522a0ee42021-09-21redhat
redhatrh-nodejs14-nodejs-0:14.17.5-1.el72021-08-26redhat
redhatrh-nodejs12-nodejs-nodemon-0:2.0.3-5.el72021-08-26redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(5)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 10× in last 7d / 39× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-26 14:52 UTCEPSS rescore
  2. 2026-07-25 14:15 UTCEPSS rescore
  3. 2026-07-24 14:15 UTCEPSS rescore
  4. 2026-07-23 14:15 UTCEPSS rescore
  5. 2026-07-23 01:57 UTCEG score recompute
  6. 2026-07-22 22:44 UTCEG score recompute
  7. 2026-07-22 14:05 UTCEPSS rescore
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  17. 2026-07-13 22:27 UTCEPSS rescore
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  19. 2026-07-13 03:38 UTCOSV refresh
  20. 2026-07-12 05:44 UTCEPSS rescore
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  1. 2026-07-06 16:25 UTCEPSS rescore
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  6. 2026-07-04 06:29 UTCEPSS rescore
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  8. 2026-07-02 16:57 UTCEPSS rescore
  9. 2026-07-01 15:03 UTCEPSS rescore
  10. 2026-06-29 14:04 UTCEPSS rescore
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  17. 2026-06-25 13:48 UTCEPSS rescore
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  19. 2026-06-24 14:03 UTCEPSS rescore
  20. 2026-06-24 14:03 UTCEPSS rescore
  21. 2026-06-24 13:32 UTCOSV refresh
  22. 2026-06-23 21:31 UTCEPSS rescore
  23. 2026-06-23 21:31 UTCEPSS rescore
  24. 2026-06-22 14:24 UTCEPSS rescore
  25. 2026-06-22 14:23 UTCEPSS rescore
  26. 2026-06-21 01:58 UTCEPSS rescore
  27. 2026-06-21 01:57 UTCEPSS rescore
  28. 2026-06-18 17:51 UTCEPSS rescore
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  30. 2026-06-17 17:51 UTCEPSS rescore
  31. 2026-06-16 17:50 UTCEPSS rescore
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  37. 2026-06-11 13:58 UTCEPSS rescore
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  40. 2026-06-10 13:20 UTCEPSS rescore
  41. 2026-06-08 14:15 UTCEPSS rescore
  42. 2026-06-08 14:15 UTCEPSS rescore
  43. 2026-06-07 17:46 UTCOSV refresh
  44. 2026-06-07 15:23 UTCEPSS rescore
  45. 2026-06-07 15:23 UTCEPSS rescore
  46. 2026-06-06 13:46 UTCEPSS rescore
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  49. 2026-06-05 22:45 UTCEPSS rescore
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  55. 2026-06-02 20:11 UTCEPSS rescore
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  57. 2026-06-01 13:50 UTCEPSS rescore
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  59. 2026-05-31 22:29 UTCEPSS rescore
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  61. 2026-05-31 00:15 UTCEPSS rescore
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  63. 2026-05-29 13:42 UTCEPSS rescore
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  66. 2026-05-27 13:39 UTCEPSS rescore
  67. 2026-05-26 13:42 UTCEPSS rescore
  68. 2026-05-26 13:42 UTCEPSS rescore
  69. 2026-05-24 16:49 UTCEPSS rescore
  70. 2026-05-23 08:20 UTCEG score recompute
  71. 2026-05-23 08:20 UTCVendor advisory
  72. 2026-05-23 08:20 UTCGHSA enrichment

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2021-22931?
CVE-2021-22931 is a critical vulnerability published on August 16, 2021. 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…
When was CVE-2021-22931 disclosed?
CVE-2021-22931 was first published in the National Vulnerability Database on August 16, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-22931 actively exploited?
CVE-2021-22931 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 22% probability of exploitation in the next 30 days, which ranks it in the top 2.6% of all scored CVEs.
What is the CVSS score of CVE-2021-22931?
CVE-2021-22931 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2021-22931?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-22931, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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