CVE-2020-12514 - CVE House
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Status published Medium CVE-2020-12514

Pepper+Fuchs Comtrol IO-Link Master NULL Pointer Dereference

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

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • T.Weber (SEC Consult Vulnerability Lab) reported this vulnerability. Coordinated by CERT@VDE.

References

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

Pepper+Fuchs

View all reports →

Affected Software

Comtrol IO-Link Master
Vulnerable Versions:
unspecified

Timeline

Official Publish: January 22nd, 2021
Last Modified: September 16th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-476

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service
Impact
T1499.004 Application or System Exploitation
Impact
T1489 Service Stop
Impact
T1203 Exploitation for Client Execution
Execution
T1190 Exploit Public-Facing Application
Initial Access