Medium severity · published Apr 15, 2026
CVE-2026-20060
Cisco Unity Connection Open Redirect Vulnerability
4.7
CVSS
0.2%
EPSS
No
On KEV
Description
A vulnerability in the web-based management interface of Cisco Unity Connection could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. This vulnerability is due to improper input validation of HTTP request parameters. An attacker could exploit this vulnerability by persuading a user to click a crafted link. A successful exploit could allow the attacker to redirect a user to a malicious web page.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 10% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CU
Cisco Unity Connection · Cisco
14; 14SU1; 14SU2; 14SU3; 14SU3a; 15; +4 more · source: vendor
UC
Unity Connection · Cisco
through 12.5; 14.0; 14su1; 14su2; 14su3; 14su3a; +5 more · source: NVD
Affected product
CU
Cisco Unity Connection
Cisco
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