RCE in Cisco Unity Express

CVE-2019-15986

A vulnerability in the CLI of Cisco Unity Express could allow an authenticated, local attacker to inject arbitrary commands that are executed with root privileges. To exploit this vulnerability, an attacker would need valid administrator credentials. The vulnerability is due to improper input validation for certain CLI commands that are executed on a vulnerable system. An attacker could exploit this vulnerability by logging in to the system and sending crafted CLI commands. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system and elevate privileges to root.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.004 (34.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-15986?
CVE-2019-15986 is a medium-severity vulnerability in Cisco Unity Express, classified under OS Command Injection. CVSS score: 6.7/10. Published 2019-11-26.
How severe is CVE-2019-15986?
Medium severity. CVSS v3 base score is 6.7 out of 10.