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Advisory record · GHSA-qm95-pgcg-qqfq

Insufficient validation when decoding a Socket.IO packet

CVSS 10.0 CriticalCriticalEPSS 0.014 · 73rd percentile

Critical, because:

  • CVSS score 10.0: 9.0 or more.

How we decide what’s critical

Published by the GitHub Advisory Database at 26 Oct 2022, 12:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
socket.io-parsernpm>=4.0.0, <4.0.5 || >=4.1.0, <4.2.1 || <3.3.3 || >=3.4.0, <3.4.24.0.5, 4.2.1, 3.3.3, 3.4.2
Identifiers
GHSA-qm95-pgcg-qqfq · CVE-2022-2421
Weakness (CWE)
CWE-20 · CWE-89 · CWE-1287
Tags
Published
26 Oct 2022
Updated
8 Nov 2023

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
10.0 Critical 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H CNA (DIVD)
  • CISA KEV Not listed.
  • EPSS 0.014, the 73rd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the GitHub Advisory Database, published 26 Oct 2022. New records show when each source confirmed them.

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.