Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-2005-1020

Severity CVSS v4.0:
Pending analysis
Type:
CWE-287 Authentication Issues
Publication date:
02/05/2005
Last modified:
03/04/2025

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.

Impact

Vector 2.0
AV:N/AC:M/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.10 HIGH
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0
7.10
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:cisco:ios:12.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(23\)s4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(23\)s5:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(24\)s1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(24\)s4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(24\)s5:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(24.2\)s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(26\)s1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(27\)s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(27\)sv:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(27\)sv1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0da:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0db:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0dc:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0s:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools