CVE-2023-27321

Katalog CVE

CVSS 7.5 · High EPSS 1,0%

Kerentanan Uncontrolled Resource Consumption pada opcfoundation ua-.netstandard. Skor CVSS 3.0 7.5 (High) menurut trendmicro.com.

Deskripsi (NVD)

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 Standard. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of OPC UA ConditionRefresh requests. By sending a large number of requests, an attacker can consume all available resources on the server. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20505.

Rincian

Terbit di NVD

7 Mei 2024

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.0

7.5 (High), sumber trendmicro.com
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-400: Uncontrolled Resource Consumption

EPSS (30 hari)

1,0% peluang dieksploitasi; lebih tinggi dari 63,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2023-27321.pdf advisory vendor
• https://www.zerodayinitiative.com/advisories/ZDI-23-548/ advisory pihak ketiga