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Monday, December 8, 2025
Medium Published: Apr 20, 2000 Modified: Apr 03, 2025

CVE-2000-0268

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

Cisco IOS 11.x and 12.x allows remote attackers to cause a denial of service by sending the ENVIRON option to the Telnet daemon before it is ready to accept it, which causes the system to reboot.

CVSS Vector Details

Attack Vector Network
Attack Complexity Low
Confidentiality None
Integrity None
Availability P

Affected Software Configurations

  • o cisco ios 11.3aa * * * * * * *
  • o cisco ios 12.0\(2\) * * * * * * *
  • o cisco ios 12.0\(2\)xc * * * * * * *
  • o cisco ios 12.0\(2\)xd * * * * * * *
  • o cisco ios 12.0\(2\)xf * * * * * * *
  • o cisco ios 12.0\(2\)xg * * * * * * *
  • o cisco ios 12.0\(3\)t2 * * * * * * *
  • o cisco ios 12.0\(4\) * * * * * * *
  • o cisco ios 12.0\(4\)s * * * * * * *
  • o cisco ios 12.0\(4\)t * * * * * * *

Weaknesses (CWE)

  • NVD-CWE-Other