CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
16.2%
This security update resolves a vulnerability in the OPC UA .NET Standard Reference Server that allows
remote attackers to send malicious requests that consume all memory available to the server.
Vendor | Product | Version | CPE |
---|---|---|---|
* | opcfoundation.netstandard.opc.ua.server | * | cpe:2.3:a:*:opcfoundation.netstandard.opc.ua.server:*:*:*:*:*:*:*:* |
files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2023-27321.pdf
github.com/advisories/GHSA-vpf7-r2fv-75m9
github.com/OPCFoundation/UA-.NETStandard/security/advisories/GHSA-vpf7-r2fv-75m9
nvd.nist.gov/vuln/detail/CVE-2023-27321
www.zerodayinitiative.com/advisories/ZDI-23-548