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Monday, December 8, 2025
High Published: Oct 01, 1997 Modified: Apr 03, 2025

CVE-1999-0160

7.5 CVSS
0 5 10
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
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Description

Some classic Cisco IOS devices have a vulnerability in the PPP CHAP authentication to establish unauthorized PPP connections.

CVSS Vector Details

Attack Vector Network
Attack Complexity Low
Confidentiality P
Integrity P
Availability P

Affected Software Configurations

  • o cisco ios 4.1 * * * * * * *
  • o cisco ios 9.1 * * * * * * *
  • o cisco ios 10.3 * * * * * * *
  • o cisco ios 11.0 * * * * * * *
  • o cisco ios 11.1 * * * * * * *
  • o cisco ios 11.2 * * * * * * *
  • o cisco ios 11.2p * * * * * * *

Weaknesses (CWE)

  • NVD-CWE-Other