Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-20081

Severity CVSS v4.0:
Pending analysis
Type:
CWE-23 Relative Path Traversal
Publication date:
15/04/2026
Last modified:
28/04/2026

Description

Multiple vulnerabilities in Cisco Unity Connection could allow an authenticated, remote attacker&amp;nbsp;to download arbitrary files from an affected system. To exploit these vulnerabilities, the attacker must have valid administrative credentials.&amp;nbsp;<br /> <br /> 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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

Base Score 3.x
6.50
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:cisco:unity_connection:*:*:*:*:*:*:*:* 12.5 (including)
cpe:2.3:a:cisco:unity_connection:14.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unity_connection:14su1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unity_connection:14su2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unity_connection:14su3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unity_connection:14su3a:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unity_connection:14su4:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unity_connection:14su5:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unity_connection:15.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unity_connection:15su1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unity_connection:15su2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unity_connection:15su3:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools