CVE-2000-0268
Cisco IOS 11.x-12.x - Denial of Service via Telnet ENVIRON Option
Title source: llmDescription
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.
References (3)
Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/1123
Third Party Advisory, VDB Entry vdb-entry
x_refsource_osvdb
http://www.osvdb.org/1289
Patch, Vendor Advisory vendor-advisory
x_refsource_cisco
http://www.cisco.com/warp/public/707/iostelnetopt-pub.shtml
Scores
EPSS
0.0166
EPSS Percentile
74.2%
Details
Status
published
Products (26)
cisco/3660_router
cisco/7100_router
cisco/7200_router
cisco/7500_router
cisco/accesspath
ls-3
cisco/accesspath
ts-3
cisco/accesspath
vs-3
cisco/as5200
cisco/as5300
cisco/as5800
... and 16 more
Published
Apr 20, 2000
Tracked Since
Feb 18, 2026