CVE-2020-12498

Phoenix Contact Automation Worx <= 1.87: out-of-bounds read remote code execution

HIGH
7.8
CVSS Score
Published: July 1, 2020 at 03:52 PM UTC
Updated: June 17, 2026 at 02:51 AM UTC
3 products affected across 1 vendorPC WorxPC Worx ExpressAutomationworx Software Suite

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Severity
HIGH7.8
Exploit prediction
EPSS 2%

Description

mwe file parsing in Phoenix Contact PC Worx and PC Worx Express version 1.87 and earlier is vulnerable to out-of-bounds read remote code execution. Manipulated PC Worx projects could lead to a remote code execution due to insufficient input data validation.

Affected

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

v < 1.87
Affected range stops below 1.87, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

CVSS

7.8HIGHCERTVDE
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-121CWE-125

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