CVEvulnerability

CVE-2005-1020

7.1 HIGH Published 2005-05-02 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2005-05-02
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
7.1 HIGH — AV:N/AC:M/Au:N/C:N/I:N/A:C
Weaknesses
CWE-287

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.

Affected configurations

• cisco ios 12.0 • cisco ios 12.0\(23\)s4 • cisco ios 12.0\(23\)s5 • cisco ios 12.0\(24\)s1 • cisco ios 12.0\(24\)s4 • cisco ios 12.0\(24\)s5 • cisco ios 12.0\(24.2\)s • cisco ios 12.0\(26\)s1 • cisco ios 12.0\(27\)s • cisco ios 12.0\(27\)sv • cisco ios 12.0\(27\)sv1 • cisco ios 12.0da • cisco ios 12.0db • cisco ios 12.0dc • cisco ios 12.0s • cisco ios 12.0sc • cisco ios 12.0sl • cisco ios 12.0sp • cisco ios 12.0st • cisco ios 12.0sv • cisco ios 12.0sx • cisco ios 12.0sy • cisco ios 12.0sz • cisco ios 12.0t • cisco ios 12.0w5 • cisco ios 12.0wc • cisco ios 12.0wt • cisco ios 12.0wx • cisco ios 12.0xa • cisco ios 12.0xb • cisco ios 12.0xc • cisco ios 12.0xd • cisco ios 12.0xe • cisco ios 12.0xf • cisco ios 12.0xg • cisco ios 12.0xh • cisco ios 12.0xi • cisco ios 12.0xj • cisco ios 12.0xk • cisco ios 12.0xl • cisco ios 12.0xm • cisco ios 12.0xn • cisco ios 12.0xp • cisco ios 12.0xq • cisco ios 12.0xr • cisco ios 12.0xs • cisco ios 12.0xt • cisco ios 12.0xu • cisco ios 12.0xv • cisco ios 12.0xw • cisco ios 12.1 • cisco ios 12.1\(11\)e • cisco ios 12.1\(11b\)e • cisco ios 12.1\(11b\)e12 • cisco ios 12.1\(11b\)e14 • cisco ios 12.1\(13\)e9 • cisco ios 12.1\(19\)e1 • cisco ios 12.1\(20\)e • cisco ios 12.1\(20\)e1 • cisco ios 12.1\(20\)e2 … and 277 more

Related

Weakness · CWE (1)

  • CWE-287 Improper Authentication weakness

References