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