Resource exhaustion in Opcfoundation Ua-Java
CVE-2022-30551
OPC UA Legacy Java Stack 2022-04-01 allows a remote attacker to cause a server to stop processing messages by sending crafted messages that exhaust available resources.
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: 0.021 (80.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- Opcfoundation Ua-Java — versions 2022-04-01
Weakness classification (CWE)
Public proof-of-concept exploits
References
- opcfoundation.org (Vendor Advisory)
- github.com/OPCFoundation/UA-Java-Legacy (Product, Third Party Advisory)
- files.opcfoundation.org/SecurityBulletins/OPC Foundation Security Bulletin CVE-… (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2022-30551?
- CVE-2022-30551 is a high-severity vulnerability in Opcfoundation Ua-Java, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2022-05-20.
- How severe is CVE-2022-30551?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-30551 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.