Resource exhaustion in Opc Foundation Ua .Net Standard
CVE-2023-27321
OPC Foundation UA .NET Standard ConditionRefresh Resource Exhaustion Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of OPC Foundation UA .NET St…
Vulnerability class: DoS (Denial of Service)
EPSS: 0.011 (60.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Opc Foundation Ua .Net Standard — versions 1.4.371.60
- Opcfoundation Ua-.netstandard
Weakness classification (CWE)
Public proof-of-concept exploits
References
- zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)
- zdi-disclosures@trendmicro.com (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-27321?
- CVE-2023-27321 is a high-severity vulnerability in Opc Foundation Ua .Net Standard, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2024-05-07.
- How severe is CVE-2023-27321?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-27321 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.