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Unified Ip Phones 9900 Series Firmware CVE-2015-4226

HIGH
Resource Management Errors (CWE-399)
2015-06-30 psirt@cisco.com
Cisco Denial Of Service Unified Ip Phones 9900 Series Firmware
7.1
CVSS 2.0 · NVD
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Severity by source

NVD PRIMARY
7.1 HIGH
AV:N/AC:M/Au:N/C:N/I:N/A:C

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

AV:N/AC:M/Au:N/C:N/I:N/A:C
Attack Vector
Network
Attack Complexity
M
Confidentiality
None
Integrity
None
Availability
C

Lifecycle Timeline

1
CVE Published
Jun 30, 2015 - 15:59 cve.org
HIGH 7.1

DescriptionCVE.org

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.

AnalysisAI

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. Rated high severity (CVSS 7.1), this vulnerability is remotely exploitable. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-399. 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. Affected products include: Cisco Unified Ip Phones 9900 Series Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Same weakness CWE-399 – Resource Management Errors

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CVE-2015-4226 vulnerability details – vuln.today
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