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Fencer Vulns
high 8.8

CVE-2023-46142 json

PHOENIX CONTACT: Insufficient Read and Write Protection to Logic and Runtime Data in PLCnext Control

published 2023-12-14 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-50385

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

Summary

A incorrect permission assignment for critical resource vulnerability in PLCnext products allows an remote attacker with low privileges to gain full access on the affected devices.

Exploit prediction

0.74% 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 AXC F 1152
  • PHOENIX CONTACT AXC F 2152
  • PHOENIX CONTACT AXC F 3152
  • PHOENIX CONTACT BPC 9102S
  • PHOENIX CONTACT EPC 1502
  • PHOENIX CONTACT EPC 1522
  • PHOENIX CONTACT PLCnext Engineer
  • PHOENIX CONTACT RFC 4072R
  • PHOENIX CONTACT RFC 4072S

Classification

Weakness
  • CWE-732 Incorrect Permission Assignment for Critical Resource

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.