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Monday, December 8, 2025
Low Published: Aug 12, 1998 Modified: Aug 27, 2025

CVE-1999-0159

3.5 CVSS
0 5 10
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
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Description

Attackers can crash a Cisco IOS router or device, provided they can get to an interactive prompt (such as a login). This applies to some IOS 9.x, 10.x, and 11.x releases.

CVSS Vector Details

Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Unchanged
Confidentiality None
Integrity None
Availability Low

Affected Software Configurations

  • o cisco ios 9.1 * * * * * * *
  • o cisco ios 11.0\(20.3\) * * * * * * *
  • o cisco ios 11.1\(15\)ca * * * * * * *
  • o cisco ios 11.1\(16\) * * * * * * *
  • o cisco ios 11.1\(16\)aa * * * * * * *
  • o cisco ios 11.1\(16\)ia * * * * * * *
  • o cisco ios 11.1\(17\)cc * * * * * * *
  • o cisco ios 11.1\(17\)ct * * * * * * *
  • o cisco ios 11.2\(8\)sa3 * * * * * * *
  • o cisco ios 11.2\(9\)p * * * * * * *

Weaknesses (CWE)

  • NVD-CWE-Other
  • CWE-400