CVE-2026-20078
Received
Received - Intake
Arbitrary File Download via Input Validation Flaw in Cisco Unity Connection
Publication date: 2026-04-15
Last updated on: 2026-04-28
Assigner: Cisco Systems, Inc.
Description
Description
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.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| cisco | unity_connection | 14.0 |
| cisco | unity_connection | 14su3 |
| cisco | unity_connection | 14su2 |
| cisco | unity_connection | 14su1 |
| cisco | unity_connection | 14su3a |
| cisco | unity_connection | 14su4 |
| cisco | unity_connection | 14su5 |
| cisco | unity_connection | 15.0 |
| cisco | unity_connection | 15su1 |
| cisco | unity_connection | 15su2 |
| cisco | unity_connection | 15su3 |
| cisco | unity_connection | to 12.5 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-23 | The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory. |