CVE-2005-4436

high

Description

Extended Interior Gateway Routing Protocol (EIGRP) 1.2, as implemented in Cisco IOS after 12.3(2), 12.3(3)B, and 12.3(2)T and other products, allows remote attackers to cause a denial of service by sending a "spoofed neighbor announcement" with (1) mismatched k values or (2) "goodbye message" Type-Length-Value (TLV).

References

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5454

http://www.vupen.com/english/advisories/2005/3008

http://www.securityfocus.com/bid/15978

http://www.securityfocus.com/archive/1/419898/100/0/threaded

http://securitytracker.com/id?1015382

http://marc.info/?l=full-disclosure&m=113504451523186&w=2

http://lists.grok.org.uk/pipermail/full-disclosure/2005-December/040330.html

Details

Source: Mitre, NVD

Published: 2005-12-21

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.01602