The debug console interface on Cisco Small Business SPA300 and SPA500 phones does not properly perform authentication, which allows local users to execute arbitrary debug-shell commands, or read or modify data in memory or a filesystem, via direct access to this interface, aka Bug ID CSCun77435.
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 |
|---|---|---|---|
| Spa_301_1_line_ip_phone | Cisco | * | * |
| Spa_303_3_line_ip_phone | Cisco | * | * |
| Spa_501g_8-line_ip_phone | Cisco | * | * |
| Spa_502g_1-line_ip_phone | Cisco | * | * |
| Spa_504g_4-line_ip_phone | Cisco | * | * |
| Spa_508g_8-line_ip_phone | Cisco | * | * |
| Spa_509g_12-line_ip_phone | Cisco | * | * |
| Spa_512g_1-line_ip_phone | Cisco | * | * |
| Spa_514g_4-line_ip_phone | Cisco | * | * |
| Spa_525g_5-line_ip_phone | Cisco | * | * |
| Spa_525g2_5-line_ip_phone | Cisco | * | * |
| Spa901_1-line_ip_phone | Cisco | * | * |
| Spa922_1-line_ip_phone_with_1-port_ethernet | Cisco | * | * |
| Spa941_4-line_ip_phone_with_1-port_ethernet | Cisco | * | * |
| Spa942_4-line_ip_phone_with_2-port_switch | Cisco | * | * |
| Spa962_6-line_ip_phone_with_2-port_switch | Cisco | * | * |