CVE-2022-25304
Uncontrolled Resource Consumption in asyncua and opcua
7.5
HIGH
CVSS 3.1
EPSS 0.53%
Description
All versions of package opcua; all versions of package asyncua 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.
How to fix CVE-2022-25304
To remediate CVE-2022-25304, upgrade the affected package to a fixed version below.
- —no fix listed
- —upgrade to 0.9.96 or later
- —no fix listed
Is CVE-2022-25304 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0
- from 0, < 0.9.96
- from 0, <= 0.98.13
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |