Cisco IOS XE Software HTTP Server Telephony Services DoS (cisco-sa-httpsrvr-dos-yOZThut)

high Nessus Plugin ID 207824

Synopsis

The remote device is missing a vendor-supplied security patch

Description

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

- A vulnerability in the HTTP Server feature of Cisco IOS XE Software when the Telephony Service feature is enabled could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to a null pointer dereference when accessing specific URLs. An attacker could exploit this vulnerability by sending crafted HTTP traffic to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, causing a DoS condition on the affected device. (CVE-2024-20436)

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 CSCwh94964

Plugin Details

Severity: High

ID: 207824

File Name: cisco-sa-httpsrvr-dos-yOZThut-iosxe.nasl

Version: 1.1

Type: combined

Family: CISCO

Published: 9/27/2024

Updated: 9/27/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

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-2024-20436

CVSS v3

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:ios_xe

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/25/2024

Vulnerability Publication Date: 9/25/2024

Reference Information

CVE: CVE-2024-20436

CWE: 476

CISCO-SA: cisco-sa-httpsrvr-dos-yOZThut

IAVA: 2024-A-0592

CISCO-BUG-ID: CSCwh94964

Detections

Analytics