CVE-2020-12514

Pepper+Fuchs Comtrol IO-Link Master NULL Pointer Dereference

MEDIUM
4.9
CVSS Score
Published: January 22, 2021 at 07:01 PM UTC
Updated: June 17, 2026 at 02:51 AM UTC
25 products affected across 2 vendorsIo Link Master 8-pnio FirmwareIo Link Master 8-pnio L FirmwareIo Link Master 8-eip L Firmware

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Severity
MEDIUM4.9
Exploit prediction
EPSS 1%

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 1.5.48
pepperl-fuchs-io-link-master-4-eip (same device)
v ≤ 1.5.48
pepperl-fuchs-io-link-master-4-pnio (same device)
v ≤ 1.5.48
pepperl-fuchs-io-link-master-8-eip (same device)
v ≤ 1.5.48
pepperl-fuchs-io-link-master-8-eip-l (same device)
v ≤ 1.5.48
pepperl-fuchs-io-link-master-8-pnio (same device)
v ≤ 1.5.48
pepperl-fuchs-io-link-master-8-pnio-l (same device)
v ≤ 1.5.48
pepperl-fuchs-io-link-master-dr-8-eip (same device)
v ≤ 1.5.48
pepperl-fuchs-io-link-master-dr-8-eip-p (same device)
v ≤ 1.5.48
pepperl-fuchs-io-link-master-dr-8-eip-t (same device)
v ≤ 1.5.48
pepperl-fuchs-io-link-master-dr-8-pnio (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_CONFIRMThird Party Advisory
https://cert.vde.com/en-us/advisories/vde-2020-038

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-476

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