CVE-2018-15381

CRITICAL

Cisco Unity Express - Use After Free

Title source: llm

Description

A Java deserialization vulnerability in Cisco Unity Express (CUE) could allow an unauthenticated, remote attacker to execute arbitrary shell commands with the privileges of the root user. The vulnerability is due to insecure deserialization of user-supplied content by the affected software. An attacker could exploit this vulnerability by sending a malicious serialized Java object to the listening Java Remote Method Invocation (RMI) service. A successful exploit could allow the attacker to execute arbitrary commands on the device with root privileges.

Scores

CVSS v3 9.8
EPSS 0.2842
EPSS Percentile 96.4%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

CWE
CWE-502
Status published

Affected Products (1)

cisco/unity_express < 9.0.6

Timeline

Published Nov 08, 2018
Tracked Since Feb 18, 2026