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Home / Vulnerability Intelligence / CVE-2026-20034

CVE-2026-20034 - Vulnerability Analysis

HighCVSS: 8.8

Last Updated: May 6, 2026

Cisco Unity Connection - Remote Code Execution

Published: May 6, 2026Updated: May 6, 2026Remote Exploitable

Overview

Cisco Unity Connection contains a remote code execution caused by insufficient validation of user-supplied input in the web-based management interface, letting authenticated remote attackers execute arbitrary code as root, exploit requires valid user credentials.

Severity & Score

Severity: High
CVSS Score: 8.8

Impact

Authenticated attackers can execute arbitrary code as root, potentially leading to complete device compromise.

Mitigation

Update to the latest available version.

Details

CVE ID
CVE-2026-20034
Severity
High
CVSS Score
8.8
Type
remote_code_execution
Status
unconfirmed

CWE

  • CWE-35

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H