Cisco IOS 12.1YD, 12.2T, 12.3 and 12.3T, when configured for the IOS Telephony Service (ITS), CallManager Express (CME) or Survivable Remote Site Telephony (SRST), allows remote attackers to cause a denial of service (device reboot) via a malformed packet to the SCCP port.
| Software | From | Fixed in |
|---|---|---|
| cisco / ios | 12.1yd | 12.1yd.x |
| cisco / ios | 12.3t | 12.3t.x |
| cisco / ios | 12.3 | 12.3.x |
| cisco / ios | 12.2t | 12.2t.x |