Resource exhaustion in Opcfoundation Ua .Net Standard Stack
CVE-2022-29864
OPC UA .NET Standard Stack 1.04.368 allows a remote attacker to cause a server to crash via a large number of messages that trigger Uncontrolled Resource Consumption.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.020 (80.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.020 · change: +0.001
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- opcfoundation.org/security/ (Vendor Advisory)
- files.opcfoundation.org/SecurityBulletins/OPC Foundation Security Bulletin CVE-… (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2022-29864?
- CVE-2022-29864 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-2022-29864?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-29864 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.