CVE-2022-37012

Katalog CVE

CVSS 7.5 · High EPSS 1,8%

Kerentanan Improper Update of Reference Count pada unified-automation opc ua c++ demo server. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation OPC UA C++ Demo Server 1.7.6-537. Authentication is not required to exploit this vulnerability. The specific flaw exists within the OpcUa_SecureListener_ProcessSessionCallRequest method. A crafted OPC UA message can force the server to incorrectly update a reference count. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-16927.

Rincian

Terbit di NVD

29 Maret 2023

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

7.5 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-911: Improper Update of Reference Count

EPSS (30 hari)

1,8% peluang dieksploitasi; lebih tinggi dari 77,6% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.zerodayinitiative.com/advisories/ZDI-22-1030/ advisory pihak ketiga · vdb entry
• https://documentation.unified-automation.com/uasdkcpp/1.7.7/CHANGELOG.txt release notes