CVE-2022-21208
HIGHnode-opcua < 2.74.0 - Denial of Service via Unlimited Chunk Reception
Title source: llmDescription
The package node-opcua before 2.74.0 are vulnerable to Denial of Service (DoS) due to a missing limitation on the number of received chunks - per single session or in total for all concurrent sessions. An attacker can exploit this vulnerability by sending an unlimited number of huge chunks (e.g. 2GB each) without sending the Final closing chunk.
References (4)
Core 4
Core References
Third Party Advisory x_refsource_misc
https://security.snyk.io/vuln/SNYK-JS-NODEOPCUA-2988723
Patch, Third Party Advisory x_refsource_misc
https://github.com/node-opcua/node-opcua/commit/33ca3bab4ab781392a2f8d8f5a14de9a0aa0e410
Patch, Third Party Advisory x_refsource_misc
https://github.com/node-opcua/node-opcua/commit/dbcb5d5191118c22ee9c89332a94b94e6553d76b
Patch, Third Party Advisory x_refsource_misc
https://github.com/node-opcua/node-opcua/pull/1149
Scores
CVSS v3
7.5
EPSS
0.0112
EPSS Percentile
61.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-1284
Status
published
Products (2)
node-opcua_project/node-opcua
< 2.74.0
npm/node-opcua
0 - 2.74.0npm
Published
Aug 23, 2022
Tracked Since
Feb 18, 2026