synced 14 MIN AGO
01 Record

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

UnratedPUBLISHEDCNA: cisco
CNA base scoreUnratedNo CNA CVSS vector
View raw JSON

02 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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
2.75% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 85.8% of scored records. A rank, not a probability.
NVD base score
The NVD has published no score for this record
NVD CVSS vector
No NVD score to derive
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2015-06-30 15:00Z11 YR AGO
Last updated
2024-08-06 06:11Z2 YR AGO
Reserved
2015-06-04
Assigning CNA
cisco
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.1
Document digest
9f9ed2a15e5ccdcd269004fedcfdab72e8053491afd40dcfca32adfc4d08182f

05 Affected products

VendorProductVersionsPlatforms
ciscounified_ip_phones_9900_series_firmwareNot specified—

06 References