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TI-2019-12026 Aliases CVE-2019-15986GHSA-vvgg-c2xf-q98v

Cisco Unity Express Command Injection Vulnerability

Priority LOW 32CWE-78Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00404 34th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CiscoCisco Unity Expressall versions—No fix listedCNA
  • Cisco Unity Express VendorCisco Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cisco:unity_express:*:*:*:*:*:*:*:*before 10.1VulnerableCisco
  • cpe:2.3:a:cisco:unity_express:*:*:*:*:*:*:*:* Versions before 10.1 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-15986
  2. 2026-10-03 Alias added: GHSA-vvgg-c2xf-q98v

References

Advisory 1

  • TI-2018-10943 Cisco Unity Express Arbitrary Command Execution Vulnerability CVSS 3.0CRITICAL 9.8
  • TI-2013-00969 Multiple cross-site request forgery (CSRF) vulnerabilities on the Cisco Unity Express… CVSS 2.0MEDIUM 6.8
  • TI-2005-04524 Cisco IP Phones 7902/7905/7912, ATA 186/188, Unity Express, ACNS, and Subscriber Edge… CVSS 2.0MEDIUM 5.0
  • TI-2006-02110 Unspecified vulnerability in the HTTP management interface in Cisco Unity Express (CUE)… CVSS 2.0LOW 2.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences