Cisco IOS Software for Catalyst 6000 Series Switches DoS (cisco-sa-ios-dos-Hq4d3tZG)

high Nessus Plugin ID 192881


The remote device is missing a vendor-supplied security patch


According to its self-reported version, Cisco IOS is affected by a vulnerability.

- A vulnerability in Cisco IOS Software for Cisco Catalyst 6000 Series Switches could allow an unauthenticated, adjacent attacker to cause an affected device to reload unexpectedly. This vulnerability is due to improper handling of process-switched traffic. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition. (CVE-2024-20276)

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


Upgrade to the relevant fixed version referenced in Cisco bug ID CSCwf55936

See Also

Plugin Details

Severity: High

ID: 192881

File Name: cisco-sa-ios-dos-Hq4d3tZG-ios.nasl

Version: 1.1

Type: combined

Family: CISCO

Published: 4/3/2024

Updated: 4/5/2024

Supported Sensors: Nessus

Risk Information


Risk Factor: Medium

Score: 4.4


Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.5

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

CVSS Score Source: CVE-2024-20276


Risk Factor: High

Base Score: 7.4

Temporal Score: 6.4

Vector: CVSS:3.0/AV:A/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:ios

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/27/2024

Vulnerability Publication Date: 3/27/2024

Reference Information

CVE: CVE-2024-20276

CWE: 248

CISCO-SA: cisco-sa-ios-dos-Hq4d3tZG

IAVA: 2024-A-0188