CVE-2017-16743: Critical severity Phoenixcontact Fl Switch 3005 Firmware vulnerability

Published Jan 12, 2018
·
Updated

An Improper Authorization issue was discovered in PHOENIX CONTACT FL SWITCH 3xxx, 4xxx, and 48xxx Series products running firmware Version 1.0 to 1.32. A remote unauthenticated attacker may be able to craft special HTTP requests allowing an attacker to bypass web-service authentication allowing the attacker to obtain administrative privileges on the device.

Affected Software

58 affected components
Phoenixcontact Fl Switch 3005 Firmware>=1.0<=1.32
Phoenixcontact Fl Switch 3005
Phoenixcontact Fl Switch 3005t Firmware>=1.0<=1.32
Phoenixcontact Fl Switch 3005t
Phoenixcontact Fl Switch 3004t-fx Firmware>=1.0<=1.32
Phoenixcontact Fl Switch 3004t-fx
Phoenixcontact Fl Switch 3004t-fx St Firmware>=1.0<=1.32
Phoenixcontact Fl Switch 3004t-fx St
Phoenixcontact Fl Switch 3008 Firmware>=1.0<=1.32
Phoenixcontact Fl Switch 3008
Phoenixcontact Fl Switch 3008t Firmware>=1.0<=1.32
Phoenixcontact Fl Switch 3008t
Phoenixcontact Fl Switch 3006t-2fx Firmware>=1.0<=1.32
Phoenixcontact Fl Switch 3006t-2fx
Phoenixcontact Fl Switch 3006t-2fx St Firmware>=1.0<=1.32
Phoenixcontact Fl Switch 3006t-2fx St
Phoenixcontact Fl Switch 3012e-2sfx Firmware>=1.0<=1.32
Phoenixcontact Fl Switch 3012e-2sfx
Phoenixcontact Fl Switch 3016e Firmware>=1.0<=1.32
Phoenixcontact Fl Switch 3016e
Phoenixcontact Fl Switch 3016 Firmware>=1.0<=1.32
Phoenixcontact Fl Switch 3016
Phoenixcontact Fl Switch 3016t Firmware>=1.0<=1.32
Phoenixcontact Fl Switch 3016t
Phoenixcontact Fl Switch 3006t-2fx Sm Firmware>=1.0<=1.32
Phoenixcontact Fl Switch 3006t-2fx Sm
Phoenixcontact Fl Switch 4008t-2sfp Firmware>=1.0<=1.32
Phoenixcontact Fl Switch 4008t-2sfp
Phoenixcontact Fl Switch 4008t-2gt-4fx Sm Firmware>=1.0<=1.32
Phoenixcontact Fl Switch 4008t-2gt-4fx Sm
Phoenixcontact Fl Switch 4008t-2gt-3fx Sm Firmware>=1.0<=1.32
Phoenixcontact Fl Switch 4008t-2gt-3fx Sm
Phoenixcontact Fl Switch 4808e-16fx Lc-4gc Firmware>=1.0<=1.32
Phoenixcontact Fl Switch 4808e-16fx Lc-4gc
Phoenixcontact Fl Switch 4808e-16fx Sm-4gc Firmware>=1.0<=1.32
Phoenixcontact Fl Switch 4808e-16fx Sm-4gc
Phoenixcontact Fl Switch 4808e-16fx Sm St-4gc Firmware>=1.0<=1.32
Phoenixcontact Fl Switch 4808e-16fx Sm St-4gc
Phoenixcontact Fl Switch 4808e-16fx St-4gc Firmware>=1.0<=1.32
Phoenixcontact Fl Switch 4808e-16fx St-4gc
Phoenixcontact Fl Switch 4808e-16fx-4gc Firmware>=1.0<=1.32
Phoenixcontact Fl Switch 4808e-16fx-4gc
Phoenixcontact Fl Switch 4808e-16fx Sm Lc-4gc Firmware>=1.0<=1.32
Phoenixcontact Fl Switch 4808e-16fx Sm Lc-4gc
Phoenixcontact Fl Switch 4012t 2gt 2fx Firmware>=1.0<=1.32
Phoenixcontact Fl Switch 4012t 2gt 2fx
Phoenixcontact Fl Switch 4012t-2gt-2fx St Firmware>=1.0<=1.32
Phoenixcontact Fl Switch 4012t-2gt-2fx St
Phoenixcontact Fl Switch 4824e-4gc Firmware>=1.0<=1.32
Phoenixcontact Fl Switch 4824e-4gc
Phoenixcontact Fl Switch 4800e-24fx-4gc Firmware>=1.0<=1.32
Phoenixcontact Fl Switch 4800e-24fx-4gc
Phoenixcontact Fl Switch 4800e-24fx Sm-4gc Firmware>=1.0<=1.32
Phoenixcontact Fl Switch 4800e-24fx Sm-4gc
Phoenixcontact Fl Switch 3012e-2fx Sm Firmware>=1.0<=1.32
Phoenixcontact Fl Switch 3012e-2fx Sm
Phoenixcontact Fl Switch 4000t-8poe-2sfp-r Firmware>=1.0<=1.32
Phoenixcontact Fl Switch 4000t-8poe-2sfp-r

Remediation

Patch Available

https://ics-cert.us-cert.gov/advisories/ICSA-18-011-03

Event History

Jan 12, 2018
CVE Published
via MITRE·08:00 PM
Data Sourced
via MITRE·08:00 PM
DescriptionWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2017-16743?

CVE-2017-16743 has a medium severity level due to the potential for unauthorized access.

2

How do I fix CVE-2017-16743?

To fix CVE-2017-16743, you should upgrade the affected Phoenix Contact FL Switch firmware to a version later than 1.32.

3

Which products are affected by CVE-2017-16743?

CVE-2017-16743 affects multiple Phoenix Contact FL Switch models running firmware versions 1.0 to 1.32.

4

What type of attack does CVE-2017-16743 enable?

CVE-2017-16743 allows remote unauthenticated attackers to bypass web-service authentication.

5

Is CVE-2017-16743 exploitable remotely?

Yes, CVE-2017-16743 is exploitable remotely without needing authentication.

Company

Resources

Contact

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