MEDIUM · 5.0

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.

Vulnerability 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 Score

5.0

MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P
Confidentiality
NONE
Integrity
NONE
Availability
PARTIAL

Affected Products

VendorProductVersions
CiscoIos11.3aa
CiscoAccesspathls-3
CiscoAs5200All versions
CiscoAs5300All versions
CiscoAs5800All versions
CiscoSystem Controller 3640All versions
CiscoVoice Gateway As5800All versions
Cisco3660 RouterAll versions
Cisco7100 RouterAll versions
Cisco7200 RouterAll versions
Cisco7500 RouterAll versions
CiscoUbr7200All versions

References

FAQ

What is CVE-2000-0268?

CVE-2000-0268 is a vulnerability with a CVSS score of 5.0 (MEDIUM). 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.

How severe is CVE-2000-0268?

CVE-2000-0268 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2000-0268?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Ios, Cisco Accesspath, Cisco As5200, Cisco As5300, Cisco As5800.