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)
EPSS: 0.022 (79.9th 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
- Opcfoundation Ua-java — versions 2022-04-01
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Product, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Patch, x_refsource_MISC, 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.