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Phoenix Contact: FL SWITCH 3xxx/4xxx/48xx series through 1.33 allows Information Exposure

VDE-2018-005
Last update
05/16/2018 07:35
Published at
05/16/2018 07:35
Vendor(s)
Phoenix Contact GmbH & Co. KG
External ID
VDE-2018-005
CSAF Document
Download

Summary

Web interface CGI applications may copy the contents of the running configuration file to a commonly accessed file. Clever manipulation of a web login request can expose the contents of this file through to the web browser. A successful web interface login attempt is not required to read the configuration file contents.

FL SWITCH Configuration File can be read by unauthenticated user.

Impact

FL SWITCH Configuration File can be read by unauthenticated user.

Affected Product(s)

Model no. Product name Affected versions
2891033 FL SWITCH 3004T-FX Firmware 1.0<=1.33
2891034 FL SWITCH 3004T-FX ST Firmware 1.0<=1.33
2891030 FL SWITCH 3005 Firmware 1.0<=1.33
2891032 FL SWITCH 3005T Firmware 1.0<=1.33
2891036 FL SWITCH 3006T-2FX Firmware 1.0<=1.33
2891060 FL SWITCH 3006T-2FX SM Firmware 1.0<=1.33
2891037 FL SWITCH 3006T-2FX ST Firmware 1.0<=1.33
2891031 FL SWITCH 3008 Firmware 1.0<=1.33
2891035 FL SWITCH 3008T Firmware 1.0<=1.33
2891120 FL SWITCH 3012E-2FX Firmware 1.0<=1.33
2891119 FL SWITCH 3012E-2FX SM Firmware 1.0<=1.33
2891067 FL SWITCH 3012E-2SFX Firmware 1.0<=1.33
2891058 FL SWITCH 3016 Firmware 1.0<=1.33
2891066 FL SWITCH 3016E Firmware 1.0<=1.33
2891059 FL SWITCH 3016T Firmware 1.0<=1.33
2891162 FL SWITCH 4000T-8POE-2SFP-R Firmware 1.0<=1.33
2891160 FL SWITCH 4008T-2GT-3FX SM Firmware 1.0<=1.33
2891061 FL SWITCH 4008T-2GT-4FX SM Firmware 1.0<=1.33
2891062 FL SWITCH 4008T-2SFP Firmware 1.0<=1.33
2891063 FL SWITCH 4012T 2GT 2FX Firmware 1.0<=1.33
2891161 FL SWITCH 4012T-2GT-2FX ST Firmware 1.0<=1.33
2891104 FL SWITCH 4800E-24FX SM-4GC Firmware 1.0<=1.33
2891102 FL SWITCH 4800E-24FX-4GC Firmware 1.0<=1.33
2891073 FL SWITCH 4808E-16FX LC-4GC Firmware 1.0<=1.33
2891074 FL SWITCH 4808E-16FX SM LC-4GC Firmware 1.0<=1.33
2891086 FL SWITCH 4808E-16FX SM ST-4GC Firmware 1.0<=1.33
2891080 FL SWITCH 4808E-16FX SM-4GC Firmware 1.0<=1.33
2891085 FL SWITCH 4808E-16FX ST-4GC Firmware 1.0<=1.33
2891079 FL SWITCH 4808E-16FX-4GC Firmware 1.0<=1.33
2891072 FL SWITCH 4824E-4GC Firmware 1.0<=1.33

Vulnerabilities

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Published
09/22/2025 14:57
Severity
5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
Exposure of Sensitive Information to an Unauthorized Actor (CWE-200)
Summary

All Phoenix Contact managed FL SWITCH 3xxx, 4xxx, 48xx products running firmware version 1.0 to 1.33 allow reading the configuration file by an unauthenticated user.

References
cve.org | nvd.nist.gov

Mitigation

Customers using Phoenix Contact managed FL SWITCH devices with affected firmware versions are recommended to disable the switch Web Agent.

Remediation

Customers using Phoenix Contact managed FL SWITCH devices with affected firmware versions are recommended to update the firmware to version 1.34 which fixes this vulnerability. The updated firmware may be downloaded from the managed switch product page on the Phoenix Contact website:

Article No. Model Updated Firmware
2891030 FL SWITCH 3005 Download
2891032 FL SWITCH 3005T Download
2891033 FL SWITCH 3004T-FX Download
2891034 FL SWITCH 3004T-FX ST Download
2891031 FL SWITCH 3008 Download
2891035 FL SWITCH 3008T Download
2891036 FL SWITCH 3006T-2FX Download
2891037 FL SWITCH 3006T-2FX ST Download
2891067 FL SWITCH 3012E-2SFX Download
2891066 FL SWITCH 3016E Download
2891058 FL SWITCH 3016 Download
2891059 FL SWITCH 3016T Download
2891060 FL SWITCH 3006T-2FX SM Download
2891062 FL SWITCH 4008T-2SFP Download
2891061 FL SWITCH 4008T-2GT-4FX SM Download
2891160 FL SWITCH 4008T-2GT-3FX SM Download
2891073 FL SWITCH 4808E-16FX LC-4GC Download
2891080 FL SWITCH 4808E-16FX SM-4GC Download
2891086 FL SWITCH 4808E-16FX SM ST-4GC Download
2891085 FL SWITCH 4808E-16FX ST-4GC Download
2891079 FL SWITCH 4808E-16FX-4GC Download
2891074 FL SWITCH 4808E-16FX SM LC-4GC Download
2891063 FL SWITCH 4012T 2GT 2FX Download
2891161 FL SWITCH 4012T-2GT-2FX ST Download
2891072 FL SWITCH 4824E-4GC Download
2891102 FL SWITCH 4800E-24FX-4GC Download
2891104 FL SWITCH 4800E-24FX SM-4GC Download
2891120 FL SWITCH 3012E-2FX Download
2891119 FL SWITCH 3012E-2FX SM Download
2891162 FL SWITCH 4000T-8POE-2SFP-R please contact your local customer service

Revision History

Version Date Summary
1 05/16/2018 07:35 Initial revision.