Auth bypass in Phoenixcontact Fl Switch 3004t-Fx
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.
EPSS: 0.031 (86.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Phoenixcontact Fl_switch_3004t-fx
- Phoenixcontact Fl_switch_3004t-fx_firmware
- Phoenixcontact Fl_switch_3004t-fx_st
- Phoenixcontact Fl_switch_3004t-fx_st_firmware
- Phoenixcontact Fl_switch_3005
- Phoenixcontact Fl_switch_3005_firmware
- Phoenixcontact Fl_switch_3005t
- Phoenixcontact Fl_switch_3005t_firmware
- Phoenixcontact Fl_switch_3006t-2fx
- Phoenixcontact Fl_switch_3006t-2fx_firmware
Weakness classification (CWE)
References
- ics-cert@hq.dhs.gov (x_refsource_CONFIRM)
- ics-cert@hq.dhs.gov (US Government Resource, Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2017-16743?
- CVE-2017-16743 is a critical-severity vulnerability in Phoenixcontact Fl Switch 3004t-Fx, classified under Improper Authorization. CVSS score: 9.8/10. Published 2018-01-12.
- How severe is CVE-2017-16743?
- Critical severity. CVSS v3 base score is 9.8 out of 10.