CVE-2018-0235

Description

A vulnerability in the 802.11 frame validation functionality of the Cisco Wireless LAN Controller (WLC) could allow an unauthenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. The vulnerability is due to incomplete input validation of certain 802.11 management information element frames that an affected device receives from wireless clients. An attacker could exploit this vulnerability by sending a malformed 802.11 management frame to an affected device. A successful exploit could allow the attacker to cause the affected device to reload unexpectedly, resulting in a DoS condition. This vulnerability affects only Cisco Wireless LAN Controllers that are running Cisco Mobility Express Release 8.5.103.0. Cisco Bug IDs: CSCvg07024.

Category

7.4
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.14%
Vendor Advisory cisco.com
Affected: n/a Cisco Wireless LAN Controller
Published at:
Updated at:

References

Link Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180502-wlc-mfdos vendor advisory
http://www.securityfocus.com/bid/104080 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-0235?
CVE-2018-0235 has been scored as a high severity vulnerability.
How to fix CVE-2018-0235?
To fix CVE-2018-0235, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-0235 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-0235 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-0235?
CVE-2018-0235 affects n/a Cisco Wireless LAN Controller.
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