VULNERABILITY INTELLIGENCE

CVE-2005-4436

CVSS score7.8 NONE
EPSS probability2.10%
CISA KEVNot currently listed
Published2005-12-21
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:C

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).

Weakness classification

  • nvd@nist.gov: NVD-CWE-Other

Primary references