VulnerabilityModified
CVE-2020-36048
Engine.IO before 4.0.0 allows attackers to cause a denial of service (resource consumption) via a POST request to the long polling transport.
HIGH 7.5EPSS 3.24%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.24%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Engine.IO before 4.0.0 allows attackers to cause a denial of service (resource consumption) via a POST request to the long polling transport.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 3.24% probability · 88th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- socket/engine.io
- Source
- cve@mitre.org
References
- https://blog.caller.xyz/socketio-engineio-dos/Exploit, Third Party Advisory
- https://github.com/bcaller/kill-engine-ioThird Party Advisory
- https://github.com/socketio/engine.io/commit/734f9d1268840722c41219e69eb58318e0b2ac6bPatch, Third Party Advisory
- https://blog.caller.xyz/socketio-engineio-dos/Exploit, Third Party Advisory
- https://github.com/bcaller/kill-engine-ioThird Party Advisory
- https://github.com/socketio/engine.io/commit/734f9d1268840722c41219e69eb58318e0b2ac6bPatch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.