VULNERABILITY INTELLIGENCE

CVE-2017-16743

CVSS score9.8 CRITICAL
EPSS probability3.11%
CISA KEVNot currently listed
Published2018-01-12
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • CWE-285: Improper Authorization
  • CWE-863: Incorrect Authorization

Primary references