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Fencer Vulns
high 8.8

CVE-2023-1109 json

PHOENIX CONTACT: Directory Traversal Vulnerability in ENERGY AXC PU Web service

published 2023-04-17 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-23395

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

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.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
21 mo ago

Exploit prediction

0.76% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • PHOENIX CONTACT ENERGY AXC PU (1264327)
  • PHOENIX CONTACT SMARTRTU AXC SG (1110435)
  • PHOENIX CONTACT SMARTRTU AXC IG (1264328)
  • PHOENIX CONTACT Infobox (1169323 )

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.