CVE-2000-0268

medium Cisco
CVSS v3 Base Score
5.0
AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS Score
0.7%
Exploitation probability in 30 days
Top 27% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Confidentiality
None
Integrity
None
Availability
P
Published: April 20, 2000 (9520 days ago)
Last Modified: April 16, 2026
Vendor: Cisco
Source: NVD

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.

CWE

NVD-CWE-Other

Affected Products

cisco ioscisco accesspathcisco as5200cisco as5300cisco as5800cisco system controller 3640cisco voice gateway as5800cisco 3660 routercisco 7100 routercisco 7200 router

References

🔗 www.cisco.com 🔗 www.osvdb.org 🔗 www.securityfocus.com 🔗 www.cisco.com 🔗 www.osvdb.org