Denial of Service Vulnerability in Cisco Wireless LAN Controller
CVE-2018-0235

7.4HIGH

Key Information:

Vendor

Cisco
Status
Cisco Wireless Lan Controller
Vendor
CVE Published:
2 May 2018

What is CVE-2018-0235?

A flaw in the 802.11 frame validation feature of Cisco Wireless LAN Controller may permit an unauthenticated attacker located nearby to force a reload of the device. This situation arises from insufficient input validation on specific 802.11 management frames that the device processes from wireless clients. By dispatching a crafted 802.11 management frame, an attacker can exploit this vulnerability to trigger an unexpected reload of the affected device, leading to a denial of service situation. This issue is specific to Cisco Wireless LAN Controllers operating with Mobility Express Release 8.5.103.0.

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Affected Version(s)

Cisco Wireless LAN Controller Cisco Wireless LAN Controller

References

https://tools.cisco.com/security/center/content/CiscoSecu...
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http://www.securityfocus.com/bid/104080
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CVSS V3.1

Score:
7.4
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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