Cisco Unified IP 9900 phones with firmware 9.4(.1) and earlier use weak permissions for unspecified files, which allows local users to cause a denial of service (persistent hang or reboot) by writing to a phone’s filesystem, aka Bug ID CSCup90474.
CPE | Name | Operator | Version |
---|---|---|---|
unified_ip_phones_9900_series_firmware | eq | <= 9.4.1 |