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CVE-2020-12514— Pepper+Fuchs Comtrol IO-Link Master NULL Pointer Dereference

Quick assessment

Affected
Pepper+Fuchs Comtrol IO-Link Master
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.

Pepperl Fuchs IO-link Master Series是德国Pepperl Fuchs公司的一系列用于管理传感器与控制器之间通信的工业设备。该设备可用于以太网和 IO-Link 之间的网关功能，助于在管理级别与传感器/执行器级别之间进行可靠、高效的通信。 Pepperl Fuchs IO-Link Master 系列产品存在代码问题漏洞，该漏洞源于空指针引用取消，攻击者可利用该漏洞进行Dos攻击。

CVSS 6.6 · Medium EPSS 1.01% · P61

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2020-12514

Vulnerability Information
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Vulnerability Title
Pepper+Fuchs Comtrol IO-Link Master NULL Pointer Dereference
Source: CVE Program / CVE List V5
Vulnerability Description
Pepperl+Fuchs Comtrol IO-Link Master in Version 1.5.48 and below is prone to a NULL Pointer Dereference that leads to a DoS in discoveryd
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
Pepperl Fuchs IO-link Master 系列产品代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Pepperl Fuchs IO-link Master Series是德国Pepperl Fuchs公司的一系列用于管理传感器与控制器之间通信的工业设备。该设备可用于以太网和 IO-Link 之间的网关功能，助于在管理级别与传感器/执行器级别之间进行可靠、高效的通信。 Pepperl Fuchs IO-Link Master 系列产品存在代码问题漏洞，该漏洞源于空指针引用取消，攻击者可利用该漏洞进行Dos攻击。
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
Pepper+Fuchs Comtrol IO-Link Master unspecified ~ 1.5.48 -

II. Public POCs for CVE-2020-12514

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III. Intelligence Information for CVE-2020-12514

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Other References for CVE-2020-12514 (1)

Same Patch Batch · Pepper+Fuchs · 2021-01-22 · 4 CVEs total

CVE-2020-12511 8.8 HIGH Pepper+Fuchs Comtrol IO-Link Master Cross-Site Request Forgery
CVE-2020-12512 7.5 HIGH Pepper+Fuchs Comtrol IO-Link Master Cross-Site Scripting
CVE-2020-12513 7.5 HIGH Pepper+Fuchs Comtrol IO-Link Master OS Command Injection

IV. Related Vulnerabilities

Same product: Comtrol IO-Link Master
Same vendor: Pepper+Fuchs
Same weakness: CWE-476

V. Comments for CVE-2020-12514

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