Vulnerability Monitor

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CVE-2000-0268

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.

Published

2000-04-20T04:00:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

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

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

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    NVD-CWE-Other
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco ios 11.3aa Yes
Operating System cisco ios 12.0\(2\) Yes
Operating System cisco ios 12.0\(2\)xc Yes
Operating System cisco ios 12.0\(2\)xd Yes
Operating System cisco ios 12.0\(2\)xf Yes
Operating System cisco ios 12.0\(2\)xg Yes
Operating System cisco ios 12.0\(3\)t2 Yes
Operating System cisco ios 12.0\(4\) Yes
Operating System cisco ios 12.0\(4\)s Yes
Operating System cisco ios 12.0\(4\)t Yes
Operating System cisco ios 12.0\(5\) Yes
Operating System cisco ios 12.0\(6\) Yes
Operating System cisco ios 12.0\(7\)t Yes
Application cisco accesspath ls-3 Yes
Application cisco accesspath ts-3 Yes
Application cisco accesspath vs-3 Yes
Application cisco as5200 * Yes
Application cisco as5300 * Yes
Application cisco as5800 * Yes
Application cisco system_controller_3640 * Yes
Hardware cisco voice_gateway_as5800 * Yes
Hardware cisco 3660_router * Yes
Hardware cisco 7100_router * Yes
Hardware cisco 7200_router * Yes
Hardware cisco 7500_router * Yes
Hardware cisco ubr7200 * Yes
References