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Fencer Vulns
critical 9.8

CVE-2022-45140 json

WAGO: Missing Authentication for Critical Function

published 2023-02-27 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-48055

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 65%
public exploits
0
none known

Summary

The configuration backend allows an unauthenticated user to write arbitrary data with root privileges to the storage, which could lead to unauthenticated remote code execution and full system compromise.

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

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
19 mo ago

Exploit prediction

1.07% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).

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 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.