CVE-2017-16743 Information

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 Vector

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

Reference

https://cert.vde.com/en-us/advisories/vde-2017-006 https://ics-cert.us-cert.gov/advisories/ICSA-18-011-03

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8