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CVE-2026-20078

MEDIUM CVSS 3.1: 6.5
Updated Apr 17, 2026
Cisco
Parameter Value
CVSS 6.5 (MEDIUM)
Type CWE-23 (Relative Path Traversal)
Vendor Cisco
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v3.1