CVE-2017-16743
UnknownEPSS 3.11%
Last modified
CVE-2017-16743 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 3.11% chance of exploitation in the next 30 days.
Description
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Phoenixcontact | Fl Switch 3005 Firmware | >= 1.0, <= 1.32 |
| Phoenixcontact | Fl Switch 3005t Firmware | >= 1.0, <= 1.32 |
| Phoenixcontact | Fl Switch 3004t-Fx Firmware | >= 1.0, <= 1.32 |
| Phoenixcontact | Fl Switch 3004t-Fx St Firmware | >= 1.0, <= 1.32 |
| Phoenixcontact | Fl Switch 3008 Firmware | >= 1.0, <= 1.32 |
| Phoenixcontact | Fl Switch 3008t Firmware | >= 1.0, <= 1.32 |
| Phoenixcontact | Fl Switch 3006t-2fx Firmware | >= 1.0, <= 1.32 |
| Phoenixcontact | Fl Switch 3006t-2fx St Firmware | >= 1.0, <= 1.32 |
| Phoenixcontact | Fl Switch 3012e-2sfx Firmware | >= 1.0, <= 1.32 |
| Phoenixcontact | Fl Switch 3016e Firmware | >= 1.0, <= 1.32 |
| Phoenixcontact | Fl Switch 3016 Firmware | >= 1.0, <= 1.32 |
| Phoenixcontact | Fl Switch 3016t Firmware | >= 1.0, <= 1.32 |
| Phoenixcontact | Fl Switch 3006t-2fx Sm Firmware | >= 1.0, <= 1.32 |
| Phoenixcontact | Fl Switch 4008t-2sfp Firmware | >= 1.0, <= 1.32 |
| Phoenixcontact | Fl Switch 4008t-2gt-4fx Sm Firmware | >= 1.0, <= 1.32 |
| Phoenixcontact | Fl Switch 4008t-2gt-3fx Sm Firmware | >= 1.0, <= 1.32 |
| Phoenixcontact | Fl Switch 4808e-16fx Lc-4gc Firmware | >= 1.0, <= 1.32 |
| Phoenixcontact | Fl Switch 4808e-16fx Sm-4gc Firmware | >= 1.0, <= 1.32 |
| Phoenixcontact | Fl Switch 4808e-16fx Sm St-4gc Firmware | >= 1.0, <= 1.32 |
| Phoenixcontact | Fl Switch 4808e-16fx St-4gc Firmware | >= 1.0, <= 1.32 |
| Phoenixcontact | Fl Switch 4808e-16fx-4gc Firmware | >= 1.0, <= 1.32 |
| Phoenixcontact | Fl Switch 4808e-16fx Sm Lc-4gc Firmware | >= 1.0, <= 1.32 |
| Phoenixcontact | Fl Switch 4012t 2gt 2fx Firmware | >= 1.0, <= 1.32 |
| Phoenixcontact | Fl Switch 4012t-2gt-2fx St Firmware | >= 1.0, <= 1.32 |
| Phoenixcontact | Fl Switch 4824e-4gc Firmware | >= 1.0, <= 1.32 |
| Phoenixcontact | Fl Switch 4800e-24fx-4gc Firmware | >= 1.0, <= 1.32 |
| Phoenixcontact | Fl Switch 4800e-24fx Sm-4gc Firmware | >= 1.0, <= 1.32 |
| Phoenixcontact | Fl Switch 3012e-2fx Sm Firmware | >= 1.0, <= 1.32 |
| Phoenixcontact | Fl Switch 4000t-8poe-2sfp-R Firmware | >= 1.0, <= 1.32 |
References
- https://ics-cert.us-cert.gov/advisories/ICSA-18-011-03Patch, Third Party Advisory, US Government Resource
- https://ics-cert.us-cert.gov/advisories/ICSA-18-011-03Patch, Third Party Advisory, US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-16743?
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.
How severe is CVE-2017-16743?
Severity scoring for CVE-2017-16743 is pending analysis. The EPSS model estimates a 3.11% probability of exploitation in the next 30 days.
How do I fix CVE-2017-16743?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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Are you affected by CVE-2017-16743?
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Scan your code nowSource: NVD / NIST