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Fencer Intel
critical 9.8

CVE-2022-45138 json

WAGO: Missing Authentication for Critical Function

published 3y ago modified 4mo ago also EUVD-2022-48053

cvss
9.8
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 54%
public exploits
0
none known

Summary

The configuration backend of the web-based management can be used by unauthenticated users, although only authenticated users should be able to use the API. The vulnerability allows an unauthenticated attacker to read and set several device parameters that can lead to full compromise of the device.

Patch / fix

  • WAGO Compact Controller CC100 (751-9301) FW22, FW22 Patch 1
  • WAGO Edge Controller (752-8303/8000-002) FW22, FW22 Patch 1
  • WAGO PFC100 (750-81xx/xxx-xxx) FW22, FW22 Patch 1
  • WAGO PFC200 (750-82xx/xxx-xxx) FW22, FW22 Patch 1
  • WAGO Touch Panel 600 Advanced Line (762-5xxx) FW22, FW22 Patch 1
  • WAGO Touch Panel 600 Marine Line (762-6xxx) FW22, FW22 Patch 1
  • WAGO Touch Panel 600 Standard Line (762-4xxx) FW22, FW22 Patch 1

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.74% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • WAGO Compact Controller CC100 (751-9301)
  • WAGO Edge Controller (752-8303/8000-002)
  • WAGO PFC100 (750-81xx/xxx-xxx)
  • WAGO PFC200 (750-82xx/xxx-xxx)
  • WAGO Touch Panel 600 Advanced Line (762-5xxx)
  • WAGO Touch Panel 600 Marine Line (762-6xxx)
  • WAGO Touch Panel 600 Standard Line (762-4xxx)

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality

References

Sources

Fencer Intel 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.