Cisco IOS XE 2.x and 3.x before 3.4.5S, and 3.5 through 3.7 before 3.7.1S, on 1000 series Aggregation Services Routers (ASR) allows remote attackers to cause a denial of service (card reload) by sending many crafted L2TP packets, aka Bug ID CSCtz23293.
| Software | From | Fixed in |
|---|---|---|
| cisco / ios_xe | - | 3.4.3s.x |
| cisco / ios_xe | 2.1.0 | 2.1.0.x |
| cisco / ios_xe | 2.1.1 | 2.1.1.x |
| cisco / ios_xe | 2.1.2 | 2.1.2.x |
| cisco / ios_xe | 2.2.1 | 2.2.1.x |
| cisco / ios_xe | 2.2.2 | 2.2.2.x |
| cisco / ios_xe | 2.2.3 | 2.2.3.x |
| cisco / ios_xe | 2.3.0 | 2.3.0.x |
| cisco / ios_xe | 2.3.1 | 2.3.1.x |
| cisco / ios_xe | 2.3.1t | 2.3.1t.x |
| cisco / ios_xe | 2.3.2 | 2.3.2.x |
| cisco / ios_xe | 2.4.0 | 2.4.0.x |
| cisco / ios_xe | 2.4.1 | 2.4.1.x |
| cisco / ios_xe | 2.4.2 | 2.4.2.x |
| cisco / ios_xe | 2.4.3 | 2.4.3.x |
| cisco / ios_xe | 2.4.4 | 2.4.4.x |
| cisco / ios_xe | 2.5.0 | 2.5.0.x |
| cisco / ios_xe | 2.5.1 | 2.5.1.x |
| cisco / ios_xe | 2.5.2 | 2.5.2.x |
| cisco / ios_xe | 2.6.0 | 2.6.0.x |
| cisco / ios_xe | 2.6.1 | 2.6.1.x |
| cisco / ios_xe | 2.6.2 | 2.6.2.x |
| cisco / ios_xe | 3.1.0s | 3.1.0s.x |
| cisco / ios_xe | 3.1.1s | 3.1.1s.x |
| cisco / ios_xe | 3.1.2s | 3.1.2s.x |
| cisco / ios_xe | 3.1.3s | 3.1.3s.x |
| cisco / ios_xe | 3.1.4s | 3.1.4s.x |
| cisco / ios_xe | 3.4.0as | 3.4.0as.x |
| cisco / ios_xe | 3.4.0s | 3.4.0s.x |
| cisco / ios_xe | 3.4.2s | 3.4.2s.x |
| cisco / ios_xe | 3.7.0s | 3.7.0s.x |