Vulnerability Monitor

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CVE-2015-4226

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.

Published

2015-06-30T15:59:17.700

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.1 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:C

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

8.6

Impact Score

6.9

Weaknesses

Type: Primary
CWE-399

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	cisco	unified_ip_phones_9900_series_firmware	9.3\(2\)	Yes

References

http://tools.cisco.com/security/center/viewAlert.x?alertId=39554 Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/75471 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1032748 Third Party Advisory, VDB Entry ([email protected])
http://tools.cisco.com/security/center/viewAlert.x?alertId=39554 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/75471 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1032748 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)