Vulnerability Details : CVE-2016-9219
A vulnerability with IPv6 UDP ingress packet processing in Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to cause an unexpected reload of the device. The vulnerability is due to incomplete IPv6 UDP header validation. An attacker could exploit this vulnerability by sending a crafted IPv6 UDP packet to a specific port on the targeted device. An exploit could allow the attacker to impact the availability of the device as it could unexpectedly reload. This vulnerability affects Cisco Wireless LAN Controller (WLC) running software version 8.2.121.0 or 8.3.102.0. Cisco Bug IDs: CSCva98592.
Vulnerability category: Input validation
Products affected by CVE-2016-9219
- cpe:2.3:o:cisco:wireless_lan_controller_software:8.3.102.0:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:wireless_lan_controller_firmware:8.2.121.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-9219
0.41%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 58 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-9219
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST | |
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2016-9219
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by:
- nvd@nist.gov (Primary)
- ykramarz@cisco.com (Secondary)
References for CVE-2016-9219
-
http://www.securityfocus.com/bid/97423
Cisco Wireless LAN Controller CVE-2016-9219 Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170405-wlc2
Cisco Wireless LAN Controller IPv6 UDP Denial of Service VulnerabilityVendor Advisory
-
http://www.securitytracker.com/id/1038183
Cisco Wireless LAN Controller IPv6 UDP Packet Processing Flaw Lets Remote Users Cause the Target System to Reload - SecurityTracker
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