Vulnerability Details : 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.
Vulnerability category: Denial of service
Products affected by CVE-2015-4226
- cpe:2.3:o:cisco:unified_ip_phones_9900_series_firmware:9.3\(2\):*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-4226
0.68%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 70 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-4226
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.1
|
HIGH | AV:N/AC:M/Au:N/C:N/I:N/A:C |
8.6
|
6.9
|
NIST |
CWE ids for CVE-2015-4226
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-4226
-
http://www.securitytracker.com/id/1032748
Cisco IP Phones 9900 Series RTP Packet Processing Flaw Lets Remote Users Deny Service - SecurityTrackerThird Party Advisory;VDB Entry
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http://tools.cisco.com/security/center/viewAlert.x?alertId=39554
Cisco Unified IP Phones 9900 Series Denial of Service VulnerabilityVendor Advisory
-
http://www.securityfocus.com/bid/75471
Cisco Unified IP Phones 9900 Series CVE-2015-4226 Denial of Service VulnerabilityThird Party Advisory;VDB Entry
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