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CVE-2021-32935— Cognex In-Sight OPC Server - Deserialization of Untrusted Data

Quick assessment

Affected
Cognex In-Sight OPC Server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cognex In-Sight OPC Server是美国康耐视（Cognex）公司的一个服务器，支持基于OPC 规范1.0 或 2.0 版的 OPC 数据访问客户端。 Cognex In-Sight OPC Server 存在代码问题漏洞，该漏洞源于对不受信任的数据反序列化时可能允许远程攻击者访问系统级权限命令和本地权限提升。

CVSS 8.8 · High EPSS 1.82% · P77

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-32935

Vulnerability Information
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Vulnerability Title
Cognex In-Sight OPC Server - Deserialization of Untrusted Data
Source: CVE Program / CVE List V5
Vulnerability Description
The affected Cognex product, the In-Sight OPC Server versions v5.7.4 (96) and prior, deserializes untrusted data, which could allow a remote attacker access to system level permission commands and local privilege escalation.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
Cognex In-Sight OPC Server 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cognex In-Sight OPC Server是美国康耐视（Cognex）公司的一个服务器，支持基于OPC 规范1.0 或 2.0 版的 OPC 数据访问客户端。 Cognex In-Sight OPC Server 存在代码问题漏洞，该漏洞源于对不受信任的数据反序列化时可能允许远程攻击者访问系统级权限命令和本地权限提升。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cognex In-Sight OPC Server All ~ v5.7.4 (96) -

II. Public POCs for CVE-2021-32935

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III. Intelligence Information for CVE-2021-32935

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Vendor Advisories for CVE-2021-32935 (1)

IV. Related Vulnerabilities

Same vendor: Cognex
Same weakness: CWE-502

V. Comments for CVE-2021-32935

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