VULNERABILITY INTELLIGENCE
CVE-2000-0268
CVSS score5 MEDIUM
EPSS probability1.66%
CISA KEVNot currently listed
Published2000-04-20
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:P
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.
Primary references
- cve@mitre.org — Patch, Vendor Advisory
- cve@mitre.org
- cve@mitre.org
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108