The Application Layer Gateway (ALG) module in Cisco IOS 12.2 through 12.4 and 15.0 through 15.4, when NAT is used, allows remote attackers to cause a denial of service (device reload) via crafted DNS packets, aka Bug ID CSCue00996.
2014-03-27T21:55:09.063
2025-04-12T10:46:40.837
Deferred
CVSSv2: 7.1 (HIGH)
AV:N/AC:M/Au:N/C:N/I:N/A:C
8.6
6.9
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Operating System | cisco | ios | 12.2 | Yes |
Operating System | cisco | ios | 12.3 | Yes |
Operating System | cisco | ios | 12.4 | Yes |
Operating System | cisco | ios | 15.0 | Yes |
Operating System | cisco | ios | 15.1 | Yes |
Operating System | cisco | ios | 15.2 | Yes |
Operating System | cisco | ios | 15.3 | Yes |
Operating System | cisco | ios | 15.4 | Yes |