Cisco Unity Connection DoS (cisco-sa-cucm-apidos-PGsDcdNF)

high Nessus Plugin ID 182613

Synopsis

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

Description

According to its self-reported version, Cisco Unity Connection running on the remote host is affected by a denial of service (DoS) vulnerability. Due to improper API authentication and incomplete verification of the API request, an unauthenticated, remote attacker can send a specially crafted HTTP request to a specific API causing a DoS condition due to high CPU utilization. A successful attack can negatively impact user traffic and management.

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

Solution

Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCwf62081

See Also

http://www.nessus.org/u?19b66d72

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwf62081

Plugin Details

Severity: High

ID: 182613

File Name: cisco-sa-cucm-apidos-PGsDcdNF_uc.nasl

Version: 1.2

Type: local

Family: CISCO

Published: 10/5/2023

Updated: 10/18/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

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-2023-20259

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:/a:cisco:unity_connection

Required KB Items: installed_sw/Cisco VOSS Unity

Exploit Ease: No known exploits are available

Patch Publication Date: 10/4/2023

Vulnerability Publication Date: 10/4/2023

Reference Information

CVE: CVE-2023-20259

CISCO-SA: cisco-sa-cucm-apidos-PGsDcdNF

IAVA: 2023-A-0527

CISCO-BUG-ID: CSCwf62081