socket.io parser is a socket.io encoder and decoder written in JavaScript complying with version 5 of socket.io-protocol. A specially crafted Socket.IO packet can trigger an uncaught exception on the Socket.IO server, thus killing the Node.js process. A patch has been released in version 4.2.3.
CVE-2023-32695
This high-severity CVE scores 7.3 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 46% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.3
- EG Score
- 7.3(medium)
- EPSS
- 60.5%
- KEV
- Not listed
Published
May 27, 2023
Last Modified
November 21, 2024
References (8)
- security-advisories@githubhttps://github.com/socketio/socket.io-parser/commit/2dc3c92622dad113b8676be06f23b1ed46b02ced
- security-advisories@githubhttps://github.com/socketio/socket.io-parser/commit/3b78117bf6ba7e99d7a5cfc1ba54d0477554a7f3
- security-advisories@githubhttps://github.com/socketio/socket.io-parser/releases/tag/4.2.3
- security-advisories@githubhttps://github.com/socketio/socket.io-parser/security/advisories/GHSA-cqmj-92xf-r6r9
- af854a3a-2127-422b-91ae-364da2661108https://github.com/socketio/socket.io-parser/commit/2dc3c92622dad113b8676be06f23b1ed46b02ced
- af854a3a-2127-422b-91ae-364da2661108https://github.com/socketio/socket.io-parser/commit/3b78117bf6ba7e99d7a5cfc1ba54d0477554a7f3
- af854a3a-2127-422b-91ae-364da2661108https://github.com/socketio/socket.io-parser/releases/tag/4.2.3
- af854a3a-2127-422b-91ae-364da2661108https://github.com/socketio/socket.io-parser/security/advisories/GHSA-cqmj-92xf-r6r9
Affected Packages
(1 across 1 ecosystem)
npm(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| socket.io-parser | — | 3.3.4 | — |
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 9× in last 7d / 50× 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.
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Related CVEs(same CWE)
Same CWE
10 shownCWE-20
- CVE-2002-2444EG 9.8CRITICAL
- CVE-2005-0116NVD 0.0EG 9.0EPSS 99%NONE
- CVE-2002-1359NVD 0.0EG 9.0EPSS 100%NONE
- CVE-2000-0380NVD 0.0EG 9.0EPSS 98%NONE
- CVE-2000-0258EG 7.5EPSS 97%HIGH
- CVE-2004-2771EG 0.0EPSS 93%NONE
- CVE-2002-2443EG 0.0EPSS 93%NONE
- CVE-2002-2433EG 0.0NONE
- CVE-2003-1569EG 0.0NONE
- CVE-2003-1568EG 0.0NONE
Frequently asked(5)
What is CVE-2023-32695?
When was CVE-2023-32695 disclosed?
Is CVE-2023-32695 actively exploited?
What is the CVSS score of CVE-2023-32695?
How do I remediate CVE-2023-32695?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-32695
Is Your Infrastructure Affected by CVE-2023-32695?
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