Cisco Firewall Services Module (aka FWSM) 3.1 before 3.1(21), 3.2 before 3.2(22), 4.0 before 4.0(16), and 4.1 before 4.1(7), when certain authentication configurations are used, allows remote attackers to cause a denial of service (module crash) by making many authentication requests for network access, aka Bug ID CSCtn15697.
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Firewall_services_module_software | Cisco | 3.1 | 3.1 |
| Firewall_services_module_software | Cisco | 3.1(2) | 3.1(2) |
| Firewall_services_module_software | Cisco | 3.1(3) | 3.1(3) |
| Firewall_services_module_software | Cisco | 3.1(4) | 3.1(4) |
| Firewall_services_module_software | Cisco | 3.1(5) | 3.1(5) |
| Firewall_services_module_software | Cisco | 3.1(6) | 3.1(6) |
| Firewall_services_module_software | Cisco | 3.1(7) | 3.1(7) |
| Firewall_services_module_software | Cisco | 3.1(8) | 3.1(8) |
| Firewall_services_module_software | Cisco | 3.1(9) | 3.1(9) |
| Firewall_services_module_software | Cisco | 3.1(10) | 3.1(10) |
| Firewall_services_module_software | Cisco | 3.1(11) | 3.1(11) |
| Firewall_services_module_software | Cisco | 3.1(12) | 3.1(12) |
| Firewall_services_module_software | Cisco | 3.1(13) | 3.1(13) |
| Firewall_services_module_software | Cisco | 3.1(14) | 3.1(14) |
| Firewall_services_module_software | Cisco | 3.1(15) | 3.1(15) |
| Firewall_services_module_software | Cisco | 3.1(16) | 3.1(16) |
| Firewall_services_module_software | Cisco | 3.1(17) | 3.1(17) |
| Firewall_services_module_software | Cisco | 3.1(18) | 3.1(18) |
| Firewall_services_module_software | Cisco | 3.1(19) | 3.1(19) |
| Firewall_services_module_software | Cisco | 3.1(20) | 3.1(20) |
| Firewall_services_module_software | Cisco | 3.2 | 3.2 |
| Firewall_services_module_software | Cisco | 3.2(1) | 3.2(1) |
| Firewall_services_module_software | Cisco | 3.2(2) | 3.2(2) |
| Firewall_services_module_software | Cisco | 3.2(3) | 3.2(3) |
| Firewall_services_module_software | Cisco | 3.2(4) | 3.2(4) |
| Firewall_services_module_software | Cisco | 3.2(5) | 3.2(5) |
| Firewall_services_module_software | Cisco | 3.2(6) | 3.2(6) |
| Firewall_services_module_software | Cisco | 3.2(7) | 3.2(7) |
| Firewall_services_module_software | Cisco | 3.2(8) | 3.2(8) |
| Firewall_services_module_software | Cisco | 3.2(9) | 3.2(9) |
| Firewall_services_module_software | Cisco | 3.2(10) | 3.2(10) |
| Firewall_services_module_software | Cisco | 3.2(11) | 3.2(11) |
| Firewall_services_module_software | Cisco | 3.2(12) | 3.2(12) |
| Firewall_services_module_software | Cisco | 3.2(13) | 3.2(13) |
| Firewall_services_module_software | Cisco | 3.2(14) | 3.2(14) |
| Firewall_services_module_software | Cisco | 3.2(15) | 3.2(15) |
| Firewall_services_module_software | Cisco | 3.2(16) | 3.2(16) |
| Firewall_services_module_software | Cisco | 3.2(17) | 3.2(17) |
| Firewall_services_module_software | Cisco | 3.2(18) | 3.2(18) |
| Firewall_services_module_software | Cisco | 3.2(19) | 3.2(19) |
| Firewall_services_module_software | Cisco | 3.2(20) | 3.2(20) |
| Firewall_services_module_software | Cisco | 3.2(21) | 3.2(21) |
| Firewall_services_module_software | Cisco | 4.0 | 4.0 |
| Firewall_services_module_software | Cisco | 4.0(1) | 4.0(1) |
| Firewall_services_module_software | Cisco | 4.0(2) | 4.0(2) |
| Firewall_services_module_software | Cisco | 4.0(3) | 4.0(3) |
| Firewall_services_module_software | Cisco | 4.0(4) | 4.0(4) |
| Firewall_services_module_software | Cisco | 4.0(5) | 4.0(5) |
| Firewall_services_module_software | Cisco | 4.0(6) | 4.0(6) |
| Firewall_services_module_software | Cisco | 4.0(7) | 4.0(7) |
| Firewall_services_module_software | Cisco | 4.0(8) | 4.0(8) |
| Firewall_services_module_software | Cisco | 4.0(10) | 4.0(10) |
| Firewall_services_module_software | Cisco | 4.0(11) | 4.0(11) |
| Firewall_services_module_software | Cisco | 4.0(12) | 4.0(12) |
| Firewall_services_module_software | Cisco | 4.0(13) | 4.0(13) |
| Firewall_services_module_software | Cisco | 4.0(14) | 4.0(14) |
| Firewall_services_module_software | Cisco | 4.0(15) | 4.0(15) |
| Firewall_services_module_software | Cisco | 4.1 | 4.1 |
| Firewall_services_module_software | Cisco | 4.1(1) | 4.1(1) |
| Firewall_services_module_software | Cisco | 4.1(2) | 4.1(2) |
| Firewall_services_module_software | Cisco | 4.1(3) | 4.1(3) |
| Firewall_services_module_software | Cisco | 4.1(4) | 4.1(4) |
| Firewall_services_module_software | Cisco | 4.1(5) | 4.1(5) |
| Firewall_services_module_software | Cisco | 4.1(6) | 4.1(6) |