VULNERABILITY INTELLIGENCE

CVE-2015-4226

CVSS score7.1 HIGH
EPSS probability2.75%
CISA KEVNot currently listed
Published2015-06-30
Last modified2026-06-17
CVSS vectorAV:N/AC:M/Au:N/C:N/I:N/A:C

Description

The packet-storing feature on Cisco 9900 phones with firmware 9.3(2) does not properly support the RTP protocol, which allows remote attackers to cause a denial of service (device hang) by sending malformed RTP packets after a call is answered, aka Bug ID CSCur39976.

Primary references