Cisco Access Points Managed from Catalyst DoS (cisco-sa-ap-dos-h9TGGX6W)

high Nessus Plugin ID 192920


The remote device is missing a vendor-supplied security patch.


According to its self-reported version, Cisco access points managed by this Cisco Catalyst 9800 Series Wireless Controller are affected by a denial of service vulnerability. Due to insufficient input validation of certain IPv4 packets, an unauthenticated, remote attacker can causing attached access points to reload unexpectedly.

Please see the included Cisco BIDs and Cisco Security Advisory for more information.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.


Upgrade to the relevant fixed version referenced in Cisco bug ID CSCwh00028

See Also

Plugin Details

Severity: High

ID: 192920

File Name: cisco-sa-ap-dos-h9TGGX6W_catalyst.nasl

Version: 1.1

Type: combined

Family: CISCO

Published: 4/4/2024

Updated: 4/5/2024

Supported Sensors: Nessus

Risk Information


Risk Factor: Medium

Score: 4.4


Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2024-20271


Risk Factor: High

Base Score: 8.6

Temporal Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:cisco:access_points

Required KB Items: Host/Cisco/IOS-XE/Version, Host/Cisco/IOS-XE/Model

Exploit Ease: No known exploits are available

Patch Publication Date: 3/27/2024

Vulnerability Publication Date: 3/27/2024

Reference Information

CVE: CVE-2024-20271

CWE: 20

CISCO-SA: cisco-sa-ap-dos-h9TGGX6W

IAVA: 2024-A-0193