Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-1999-0160

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

Published

1997-10-01T04:00:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

6.4

Weaknesses
  • Type: Primary
    NVD-CWE-Other
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco ios 4.1 Yes
Operating System cisco ios 9.1 Yes
Operating System cisco ios 10.3 Yes
Operating System cisco ios 11.0 Yes
Operating System cisco ios 11.1 Yes
Operating System cisco ios 11.2 Yes
Operating System cisco ios 11.2p Yes
References