Description
Cisco IOS 11.x and 12.0 through 12.2 allows remote attackers to cause a denial of service (traffic block) by sending a particular sequence of IPv4 packets to an interface on the device, causing the input queue on that interface to be marked as full.
Exploits (3)
exploitdb
WORKING POC
VERIFIED
by Martin Kluge · cdoshardware
https://www.exploit-db.com/exploits/60
Scores
EPSS
0.2463
EPSS Percentile
96.2%
Details
CWE
CWE-20
Status
published
Products (50)
cisco/ios
11.0
cisco/ios
11.1
cisco/ios
11.1aa
cisco/ios
11.1ca
cisco/ios
11.1cc
cisco/ios
11.2
cisco/ios
11.2p
cisco/ios
11.2sa
cisco/ios
11.3
cisco/ios
11.3t
... and 40 more
Published
Aug 18, 2003
Tracked Since
Feb 18, 2026