First published: Thu Apr 20 2000(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
Cisco uBR7200 | ||
Cisco 3660 Router | ||
Cisco 7200 Router | ||
Cisco 7500 Router | ||
Cisco 7100 Router | ||
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 | ||
All of | ||
Any of | ||
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 | |
Any of | ||
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 |
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