CVE-2019-12871

Severity: high (CVSS 8.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-06-24 · updated 2026-06-17
Weakness: CWE-416

Description

An issue was discovered in PHOENIX CONTACT PC Worx through 1.86, PC Worx Express through 1.86, and Config+ through 1.86. A manipulated PC Worx or Config+ project file could lead to a Use-After-Free and remote code execution. The attacker needs to get access to an original PC Worx or Config+ project file to be able to manipulate it. After manipulation, the attacker needs to exchange the original file with the manipulated one on the application programming workstation.

Affected products

Phoenixcontact Automationworx Software Suite: through 1.86

References

https://cert.vde.com/en-us/advisories/vde-2019-014
https://www.zerodayinitiative.com/advisories/ZDI-19-578/
https://cert.vde.com/en-us/advisories/vde-2019-014
https://www.zerodayinitiative.com/advisories/ZDI-19-578/

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