CVEvulnerability

CVE-2000-0268

5.0 MEDIUM Published 2000-04-20 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2000-04-20
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV: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.

Affected configurations

• cisco ios 11.3aa • cisco ios 12.0\(2\) • cisco ios 12.0\(2\)xc • cisco ios 12.0\(2\)xd • cisco ios 12.0\(2\)xf • cisco ios 12.0\(2\)xg • cisco ios 12.0\(3\)t2 • cisco ios 12.0\(4\) • cisco ios 12.0\(4\)s • cisco ios 12.0\(4\)t • cisco ios 12.0\(5\) • cisco ios 12.0\(6\) • cisco ios 12.0\(7\)t • cisco accesspath ls-3 • cisco accesspath ts-3 • cisco accesspath vs-3 • cisco as5200 • cisco as5300 • cisco as5800 • cisco system controller 3640 • cisco voice gateway as5800 • cisco 3660 router • cisco 7100 router • cisco 7200 router • cisco 7500 router • cisco ubr7200

References