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Phoenix Contact: Directory Traversal Vulnerability in ENERGY AXC PU Web service

VDE-2023-004
Last update
04/11/2023 10:00
Published at
04/11/2023 10:00
Vendor(s)
Phoenix Contact GmbH & Co. KG
External ID
VDE-2023-004
CSAF Document

Summary

A Directory Traversal Vulnerability enables arbitrary file access in ENERGY AXC PU Web service.An authenticated restricted user of the web frontend can access, read, write and create files throughout the file system using specially crafted URLs via the upload and download functionality of the web service.

Impact

The vulnerability enables an attacker to gain access to the file system of the devices. This can enable the attacker to compromise the device in terms of availability, integrity and confidentiality.

Affected Product(s)

Model no. Product name Affected versions
1264327 ENERGY AXC PU Firmware <V04.15.00.00
1169323 Infobox* Firmware <=V02.02.00.00
1264328 SMARTRTU AXC IG Firmware <=V01.02.00.01
1110435 SMARTRTU AXC SG Firmware <=V01.08.00.02

Vulnerabilities

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Published
09/22/2025 14:57
Weakness
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CWE-22)
Summary

In Phoenix Contacts ENERGY AXC PU Web service an authenticated restricted user of the web frontend can access, read, write and create files throughout the file system using specially crafted URLs via the upload and download functionality of the web service. This may lead to full control of the service.

References

Mitigation

Phoenix Contact recommends operating network-capable devices in closed networks or protected with a suitable firewall. For detailed information on our recommendations for measures to protect network-capable devices, please refer to Phoenix Contacts application note.Measures to protect network-capable devices with Ethernet connection

Remediation

Phoenix Contact strongly recommends updating to the latest firmware mentioned in the list of affected products, which fixes this vulnerability.

Article no Article Fixed version
1264327 ENERGY AXC PU V04.15.00.01
1110435 SMARTRTU AXC SG V01.09.00.00
1264328 SMARTRTU AXC IG End of Q3 2023

As Infobox (1169323) is discontinued, no update will be available.

Revision History

Version Date Summary
1 04/11/2023 10:00 Initial revision.