7.1
CVSSv2

CVE-2005-1020

Published: 02/05/2005 Updated: 11/10/2017
CVSS v2 Base Score: 7.1 | Impact Score: 6.9 | Exploitability Score: 8.6
VMScore: 632
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C

Vulnerability Summary

Secure Shell (SSH) 2 in Cisco IOS 12.0 up to and including 12.3 allows remote malicious users 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.

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Vendor Advisories

Certain release trains of Cisco Internetwork Operating System (IOS)®, when configured to use the IOS Secure Shell (SSH) server in combination with Terminal Access Controller Access Control System Plus (TACACS+) as a means to perform remote management tasks on IOS devices, may contain two vulnerabilities that can potentially cause IOS devic ...