CVE-2003-0567

Cisco IOS <12.3 - DoS

Title source: llm
STIX 2.1

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 zerash · doshardware
https://www.exploit-db.com/exploits/62
exploitdb WORKING POC VERIFIED
by Martin Kluge · cdoshardware
https://www.exploit-db.com/exploits/60
exploitdb WORKING POC VERIFIED
by l0cK · cdoshardware
https://www.exploit-db.com/exploits/59

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