VULNERABILITY INTELLIGENCE

CVE-2005-1020

CVSS score7.1 HIGH
EPSS probability1.73%
CISA KEVNot currently listed
Published2005-05-02
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:N/I:N/A:C

Description

Secure Shell (SSH) 2 in Cisco IOS 12.0 through 12.3 allows remote attackers to cause a denial of service (device reload) (1) via a username that contains a domain name when using a TACACS+ server to authenticate, (2) when a new SSH session is in the login phase and a currently logged in user issues a send command, or (3) when IOS is logging messages and an SSH session is terminated while the server is sending data.

Weakness classification

  • CWE-287: Improper Authentication

Primary references