VulnerabilityModified
CVE-2020-36049
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.
HIGH 7.5EPSS 2.59%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.59%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.59% probability · 84th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-770
- Affected
- socket/socket.io-parser
- 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/socket.io-parser/commit/dcb942d24db97162ad16a67c2a0cf30875342d55Patch, 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/socket.io-parser/commit/dcb942d24db97162ad16a67c2a0cf30875342d55Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.