CVE-2017-16743 — CRITICAL (9.8)

Q: How severe is CVE-2017-16743?

CVE-2017-16743 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2017-16743?

Check the references section above for vendor advisories and patch information. Affected products include: Phoenixcontact Fl Switch 3005 Firmware, Phoenixcontact Fl Switch 3005, Phoenixcontact Fl Switch 3005T Firmware, Phoenixcontact Fl Switch 3005T, Phoenixcontact Fl Switch 3004T-Fx Firmware.

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
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	-

Related Weaknesses (CWE)

CWE-285 CWE-863

References

https://cert.vde.com/en-us/advisories/vde-2017-006
https://ics-cert.us-cert.gov/advisories/ICSA-18-011-03PatchThird Party AdvisoryUS Government Resource
https://cert.vde.com/en-us/advisories/vde-2017-006
https://ics-cert.us-cert.gov/advisories/ICSA-18-011-03PatchThird Party AdvisoryUS Government Resource

FAQ

What is CVE-2017-16743?

CVE-2017-16743 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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...

How severe is CVE-2017-16743?

CVE-2017-16743 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2017-16743?

Check the references section above for vendor advisories and patch information. Affected products include: Phoenixcontact Fl Switch 3005 Firmware, Phoenixcontact Fl Switch 3005, Phoenixcontact Fl Switch 3005T Firmware, Phoenixcontact Fl Switch 3005T, Phoenixcontact Fl Switch 3004T-Fx Firmware.