Detections
Analytics

Cisco Unified Communications Manager Java Object Deserialization RCE (CSCux34835)

critical Nessus Plugin ID 93939

Language:

Synopsis

The remote device is affected by a remote code execution vulnerability.

Description

According to its self-reported version, the Cisco Unified Communications Manager (CUCM) running on the remote device is affected by a remote code execution vulnerability due to unsafe deserialize calls of unauthenticated Java objects to the Apache Commons Collections (ACC) library. An unauthenticated, remote attacker can exploit this, via crafted Java objects, to execute arbitrary code on the target host.

Solution

Upgrade to Cisco Unified Communications Manager version 9.1(2)SU5 / 10.5(2)SU3a / 11.0(1a)SU2 or later.

See Also

http://www.nessus.org/u?94b4a89a

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCux34835/

http://www.nessus.org/u?9c6d83db

Plugin Details

Severity: Critical

ID: 93939

File Name: cisco_cucm_CSCux34835.nasl

Version: 1.7

Type: combined

Family: CISCO

Published: 10/10/2016

Updated: 4/11/2022

Configuration: Enable thorough checks

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2015-6420

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: cpe:/a:cisco:unified_communications_manager

Required KB Items: Host/Cisco/CUCM/Version, Host/Cisco/CUCM/Version_Display

Exploit Ease: No known exploits are available

Patch Publication Date: 12/9/2015

Vulnerability Publication Date: 1/28/2015

Reference Information

CVE: CVE-2015-6420

BID: 78872