CVE-2023-1109

Name: CVE-2023-1109
Creator: NVD / NIST
Published: 2023-04-17T08:15:07.627+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.76%

Last modified Jun 17, 2026

CVE-2023-1109 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 0.76% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.76%

50.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Phoenixcontact	Energy Axc Pu	>= 01.00.00.00, <= 04.15.00.00
Phoenixcontact	Infobox Firmware	>= 01.00.00.00, <= 02.02.00.00
Phoenixcontact	Smartrtu Axc Sg Firmware	>= 01.00.00.00, <= 01.08.00.02
Phoenixcontact	Smartrtu Axc Ig Firmware	>= 01.00.00.00, <= 01.02.00.01

References

https://cert.vde.com/en/advisories/VDE-2023-003/Not Applicable
https://github.com/advisories/GHSA-w923-8w64-f5ghThird Party Advisory
https://cert.vde.com/en/advisories/VDE-2023-003/Not Applicable

Timeline

Published: Apr 17, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-1109?

How severe is CVE-2023-1109?

CVE-2023-1109 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.76% probability of exploitation in the next 30 days.

How do I fix CVE-2023-1109?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-1109?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST