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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.031 (87.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.031 · newest: 0.031 · change: 0.000
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
- cert.vde.com/en-us/advisories/vde-2017-006
- ics-cert.us-cert.gov/advisories/ICSA-18-011-03 (US Government Resource, Patch, Third Party Advisory)
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.