CVE-2026-20081CWE-23

Cisco Unity Connection Arbitrary File Download Vulnerability

Medium · published April 15, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
31.6
In the wild
Unconfirmed
What it is

Multiple vulnerabilities in Cisco Unity Connection could allow an authenticated, remote attacker to download arbitrary files from an affected system. To exploit these vulnerabilities, the attacker must have valid administrative credentials. 

These vulnerabilities are due to improper sanitization of user input to the web-based management interface. An attacker could exploit these vulnerabilities by sending a crafted HTTPS request. A successful exploit could allow the attacker to download arbitrary files from an affected system.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00388 · 31.6th percentile
Weakness
CWE-23 · Relative Path Traversal
Published
2026-04-15T16:03Z
EPSS history
Timeline
  • 15 APR 16:03Z
    Cisco Unity Connection Arbitrary File Download Vulnerability
    cvelistv5