CVE-2005-2105

Published: Jul 5, 2005Modified: Apr 16, 2026

7.5

Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability: 10.0 / Impact: 6.4

Source: NVD

Description

Cisco IOS 12.2T through 12.4 allows remote attackers to bypass Authentication, Authorization, and Accounting (AAA) RADIUS authentication, if the fallback method is set to none, via a long username.

Affected (92)

Products: Cisco: Ios

Cisco

1 product

Ios

Configuration A

92 vulnerable

Vulnerable Software	Affected Versions
Cisco Ios	Version 12.2(2)xr
Cisco Ios	Version 12.2(4)xr
Cisco Ios	Version 12.2t
Cisco Ios	Version 12.2xb
Cisco Ios	Version 12.2xc
Cisco Ios	Version 12.2xd
Cisco Ios	Version 12.2xe
Cisco Ios	Version 12.2xf
Cisco Ios	Version 12.2xg
Cisco Ios	Version 12.2xh
Cisco Ios	Version 12.2xi
Cisco Ios	Version 12.2xj
Cisco Ios	Version 12.2xk
Cisco Ios	Version 12.2xl
Cisco Ios	Version 12.2xm
Cisco Ios	Version 12.2xq
Cisco Ios	Version 12.2xr
Cisco Ios	Version 12.2xt
Cisco Ios	Version 12.2xw
Cisco Ios	Version 12.2ya
Cisco Ios	Version 12.2yb
Cisco Ios	Version 12.2yc
Cisco Ios	Version 12.2yd
Cisco Ios	Version 12.2yf
Cisco Ios	Version 12.2yg
Cisco Ios	Version 12.2yh
Cisco Ios	Version 12.2yj
Cisco Ios	Version 12.2yl
Cisco Ios	Version 12.2ym
Cisco Ios	Version 12.2yn
Cisco Ios	Version 12.2yp
Cisco Ios	Version 12.2yq
Cisco Ios	Version 12.2yr
Cisco Ios	Version 12.2yt
Cisco Ios	Version 12.2yu
Cisco Ios	Version 12.2yv
Cisco Ios	Version 12.2yw
Cisco Ios	Version 12.2yy
Cisco Ios	Version 12.2zb
Cisco Ios	Version 12.2zc
Cisco Ios	Version 12.2zd
Cisco Ios	Version 12.2ze
Cisco Ios	Version 12.2zf
Cisco Ios	Version 12.2zg
Cisco Ios	Version 12.2zh
Cisco Ios	Version 12.2zj
Cisco Ios	Version 12.2zl
Cisco Ios	Version 12.2zn
Cisco Ios	Version 12.2zo
Cisco Ios	Version 12.2zp
Cisco Ios	Version 12.3b
Cisco Ios	Version 12.3bc
Cisco Ios	Version 12.3bw
Cisco Ios	Version 12.3ja
Cisco Ios	Version 12.3t
Cisco Ios	Version 12.3xa
Cisco Ios	Version 12.3xb
Cisco Ios	Version 12.3xc
Cisco Ios	Version 12.3xd
Cisco Ios	Version 12.3xe
Cisco Ios	Version 12.3xf
Cisco Ios	Version 12.3xg
Cisco Ios	Version 12.3xh
Cisco Ios	Version 12.3xi
Cisco Ios	Version 12.3xj
Cisco Ios	Version 12.3xk
Cisco Ios	Version 12.3xl
Cisco Ios	Version 12.3xm
Cisco Ios	Version 12.3xn
Cisco Ios	Version 12.3xq
Cisco Ios	Version 12.3xr
Cisco Ios	Version 12.3xs
Cisco Ios	Version 12.3xt
Cisco Ios	Version 12.3xu
Cisco Ios	Version 12.3xw
Cisco Ios	Version 12.3xx
Cisco Ios	Version 12.3xy
Cisco Ios	Version 12.3ya
Cisco Ios	Version 12.3yb
Cisco Ios	Version 12.3yd
Cisco Ios	Version 12.3yf
Cisco Ios	Version 12.3yg
Cisco Ios	Version 12.3yh
Cisco Ios	Version 12.3yi
Cisco Ios	Version 12.3yj
Cisco Ios	Version 12.3yk
Cisco Ios	Version 12.3yl
Cisco Ios	Version 12.3yn
Cisco Ios	Version 12.3yq
Cisco Ios	Version 12.3yr
Cisco Ios	Version 12.3ys
Cisco Ios	Version 12.4