VULNERABILITY INTELLIGENCE

CVE-2007-4430

CVSS score5 MEDIUM
EPSS probability13.28%
CISA KEVNot currently listed
Published2007-08-20
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:P

Description

Unspecified vulnerability in Cisco IOS 12.0 through 12.4 allows context-dependent attackers to cause a denial of service (device restart and BGP routing table rebuild) via certain regular expressions in a "show ip bgp regexp" command. NOTE: unauthenticated remote attacks are possible in environments with anonymous telnet and Looking Glass access.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references