CVE-2018-15381

Cisco Unity Express Arbitrary Command Execution Vulnerability

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 59.29% Top 5%
Vendor Advisory cisco.com
Affected: Cisco Cisco Unity Express
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id/1042130 vdb entry third party advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181107-cue vendor advisory
http://www.securityfocus.com/bid/105876 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-15381?
CVE-2018-15381 has been scored as a critical severity vulnerability.
How to fix CVE-2018-15381?
To fix CVE-2018-15381, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-15381 being actively exploited in the wild?
It is possible that CVE-2018-15381 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~59% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-15381?
CVE-2018-15381 affects Cisco Cisco Unity Express.
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