Cisco Unity Connection Arbitrary File Download Vulnerability
Summary
| CVE | CVE-2026-20078 |
|---|---|
| State | PUBLISHED |
| Assigner | cisco |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-04-15 17:17:01 UTC |
| Updated | 2026-04-15 17:17:01 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 6.5 MEDIUM from [email protected]
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Problem Types: CWE-23 | CWE-23 Relative Path Traversal
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 6.5 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| 3.1 | CNA | CVSSV3_1 | 6.5 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
NoneAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Cisco | Cisco Unity Connection | affected 12.5(1) | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 12.5(1)SU1 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 12.5(1)SU2 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 12.5(1)SU3 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 12.5(1)SU4 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 14 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 12.5(1)SU5 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 14SU1 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 12.5(1)SU6 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 14SU2 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 12.5(1)SU7 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 14SU3 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 12.5(1)SU8 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 14SU3a | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 12.5(1)SU8a | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 15 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 15SU1 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 14SU4 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 12.5(1)SU9 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 15SU2 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 15SU3 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 14SU5 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-unity-... | [email protected] | sec.cloudapps.cisco.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
Exploits
CNA: The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.
There are currently no legacy QID mappings associated with this CVE.