CVE-2020-36049
mediumpriority · track · 31EPSS 0.027 · 86 %ileDEEURUUSEPSS · scored 2026-10-27
socket.io-parser before 3.4.1 allows attackers to cause a denial of service (memory consumption) via a large packet because a concatenation approach is used.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (8)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2024-1591Juniper JUNOS: Mehrere SchwachstellenDeutsch2024-07-10csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Juniper JUNOS ausnutzen, um einen Denial of Service zu verursachen, Informationen offenzulegen, Privilegien zu erweitern und Sicherheitsmechanismen inklusive zu umgehen.
- GHSA-xfhh-g9f5-x4m4Resource exhaustion in socket.io-parser2021-06-30ghsa · osvUS
The `socket.io-parser` npm package before versions 3.3.2 and 3.4.1 allows attackers to cause a denial of service (memory consumption) via a large packet because a concatenation approach is used.
also known as (4)
Other names and identifiers for this entity.
sources
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references (11)
External citations — patches, advisories, analysis.
- https://blog.caller.xyz/socketio-engineio-dos/cnnvd
- https://github.com/bcaller/kill-engine-iocnnvd
- https://github.com/socketio/socket.io-parser/commit/dcb942d24db97162ad16a67c2a0cf30875342d55cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-36049cnnvd
- https://vigilance.fr/vulnerability/Node-js-socket-io-parser-denial-of-service-via-Large-Packet-35812cnnvd
- https://blog.caller.xyz/socketio-engineio-dos/enisa_euvd
- https://github.com/bcaller/kill-engine-ioenisa_euvd
- https://github.com/socketio/socket.io-parser/commit/dcb942d24db97162ad16a67c2a0cf30875342d55enisa_euvd
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