Resource exhaustion in Opcfoundation Ua_.net_standard_stack

CVE-2022-29866

OPC UA .NET Standard Stack 1.04.368 allows a remote attacker to exhaust the memory resources of a server via a crafted request that triggers Uncontrolled Resource Consumption.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.016 (72.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-29866?
CVE-2022-29866 is a high-severity vulnerability in Opcfoundation Ua_.net_standard_stack, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2022-06-16.
How severe is CVE-2022-29866?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-29866 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.