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Fencer Vulns
medium 5.3

CVE-2023-3379 json

WAGO: Improper Privilege Management in web-based management

published 2023-11-20 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-44046

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 9%
public exploits
0
none known

Summary

Wago web-based management of multiple products has a vulnerability which allows an local authenticated attacker to change the passwords of other non-admin users and thus to escalate non-root privileges.

Patch / fix

  • wago pfc100_firmware 22
  • wago pfc200_firmware 22

Exploit prediction

0.20% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Affected products

  • WAGO Compact Controller 100 (751-9301)
  • WAGO PFC100 (750-810x/xxx-xxx)
  • WAGO PFC200 (750-820x/xxx-xxx)
  • WAGO PFC200 (750-821x/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)
  • Wago Edge Controller (752-8303/8000-002)

Classification

Weakness

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.