The passthrough FTP feature on Cisco Web Security Appliance (WSA) devices with software 8.0.7-142 and 8.5.1-021 allows remote attackers to cause a denial of service (CPU consumption) via FTP sessions in which the control connection is ended after data transfer, aka Bug ID CSCut94150.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Web_security_appliance | Cisco | 8.0.7-142 (including) | 8.0.7-142 (including) |
| Web_security_appliance | Cisco | 8.5.1-021 (including) | 8.5.1-021 (including) |