CVE-2023-4089 — On affected Wago products an remote attacker with administrative privileges can

On affected Wago products an remote attacker with administrative privileges can access files to which he has already access to through an undocumented local file inclusion. This access is logged in a different log file than expected.

01What is this vulnerability?

On affected Wago products an remote attacker with administrative privileges can access files to which he has already access to through an undocumented local file inclusion. This access is logged in a different log file than expected.

02Affected products

Vendor	Product	Versions
WAGO	Compact Controller CC100	FW19
WAGO	Edge Controller	FW18
WAGO	PFC100	FW16
WAGO	PFC200	FW16
WAGO	Touch Panel 600 Advanced Line	FW16
WAGO	Touch Panel 600 Marine Line	FW16
WAGO	Touch Panel 600 Standard Line	FW16

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-10-17T06:00:28.908Z
• Last modified: 2025-02-27T20:40:32.064Z

09References

• cert.vde.com — https://cert.vde.com/en/advisories/VDE-2023-046/