Detections
Analytics
Cisco Wireless LAN Controller CAPWAP DoS (cisco-sa-wlc-capwap-dos-Y2sD9uEw)
high Nessus Plugin ID 139036
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Synopsis
The remote device is missing a vendor-supplied security patchDescription
According to its self-reported version, the Control and Provisioning of Wireless Access Points (CAPWAP) protocol handler of Cisco Wireless LAN Controller (WLC) is affected by a vulnerability due to insufficient validation of CAPWAP packets. An unauthenticated, remote attacker can exploit this, by sending a malformed CAPWAP packet to an affected device, in order to cause a denial of service (DoS).Please see the included Cisco BIDs and Cisco Security Advisory for more information.
Solution
Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvq59667See Also
http://www.nessus.org/u?15aca64f
http://tools.cisco.com/security/center/viewErp.x?alertId=ERP-73978
Plugin Details
Severity: High
ID: 139036
File Name: cisco-sa-wlc-capwap-dos-Y2sD9uEw.nasl
Version: 1.10
Type: combined
Family: CISCO
Published: 7/28/2020
Updated: 5/14/2024
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3.6
CVSS v2
Risk Factor: Medium
Base Score: 5
Temporal Score: 3.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS Score Source: CVE-2020-3262
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:cisco:wireless_lan_controller_software, cpe:/h:cisco:wireless_lan_controller
Required KB Items: Host/Cisco/WLC/Version, Host/Cisco/WLC/Port
Exploit Ease: No known exploits are available
Patch Publication Date: 4/15/2020
Vulnerability Publication Date: 4/15/2020
Reference Information
CVE: CVE-2020-3262