CVE-2003-0567

CVE Database · CVE-2003-0567

CVE-2003-0567

· N/AModified

CVSS v3.1

N/A

EPSS

16.58%

Published

Aug 18, 2003

Modified

Apr 15, 2026

Public PoC / Exploit (4)

All weaponized →

Exploit-DBCisco IOS - 'cisco-bug-44020.c' IPv4 Packet Denial of Service Exploit-DBCisco IOS - IPv4 Packets Denial of Service Exploit-DBCisco IOS - using hping Remote Denial of Service TrickestTrickest PoC index

Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

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.

Weaknesses (CWE)

CWE-20

Affected Products (176)

cisco · iosvulnerable

cisco · ios

References (12)

http://lists.grok.org.uk/pipermail/full-disclosure/2003-July/006743.html

http://www.cert.org/advisories/CA-2003-15.html

PatchThird Party AdvisoryUS Government Resource

http://www.cert.org/advisories/CA-2003-17.html

ExploitPatchThird Party Advisory

http://www.cisco.com/warp/public/707/cisco-sa-20030717-blocked.shtml

http://www.kb.cert.org/vuls/id/411332

US Government Resource

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5603

http://lists.grok.org.uk/pipermail/full-disclosure/2003-July/006743.html

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