CVE-2018-15381

Name: CVE-2018-15381
Creator: NVD / NIST
Published: 2018-11-08T16:29:00.277+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 87.25%

Last modified Jun 17, 2026

CVE-2018-15381 is a vulnerability of currently unknown severity. 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. EPSS estimates a 87.25% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

87.25%

99.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cisco	Unity Express	< 9.0.6

References

http://www.securityfocus.com/bid/105876Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1042130Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181107-cueVendor Advisory
http://www.securityfocus.com/bid/105876Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1042130Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181107-cueVendor Advisory

Timeline

Published: Nov 8, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-15381?

How severe is CVE-2018-15381?

Severity scoring for CVE-2018-15381 is pending analysis. The EPSS model estimates a 87.25% probability of exploitation in the next 30 days.

How do I fix CVE-2018-15381?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-15381?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST