CVE-2022-2421
unknown
CVSS v3
—
CVSS v4 NEW
—
VIR risk
—
Description
Insufficient validation when decoding a Socket.IO packet
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| npm | socket.io-parser | >=4.0.0,<4.0.5 | 4.0.5 |
| npm | socket.io-parser | >=4.1.0,<4.2.1 | 4.2.1 |
| npm | socket.io-parser | <3.3.3 | 3.3.3 |
| npm | socket.io-parser | >=3.4.0,<3.4.2 | 3.4.2 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2022-2421
- https://github.com/socketio/socket.io-parser/commit/04d23cecafe1b859fb03e0cbf6ba3b74dff56d14
- https://github.com/socketio/socket.io-parser/commit/b559f050ee02bd90bd853b9823f8de7fa94a80d4
- https://github.com/socketio/socket.io-parser/commit/b5d0cb7dc56a0601a09b056beaeeb0e43b160050
- https://github.com/socketio/socket.io-parser/commit/fb21e422fc193b34347395a33e0f625bebc09983
- https://csirt.divd.nl/CVE-2022-2421
- https://csirt.divd.nl/DIVD-2022-00045
- https://csirt.divd.nl/cases/DIVD-2022-00045
- https://csirt.divd.nl/cves/CVE-2022-2421
- https://github.com/socketio/socket.io-parser
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.