Cisco Unity Connection Vulnerabilities

CVE security advisories and vulnerability history for Cisco Unity Connection by cisco.

Total CVEs

Published

In CISA KEV

Exploited in the wild

Public exploits

With known exploit

6.4

Avg CVSS

2018–2026

Last updated May 6, 2026

Overview

Cisco Unity Connection has 31 published CVE records since 2018, of which 1 are in CISA's Known Exploited Vulnerabilities catalog and 1 have a known public exploit. The average CVSS base score across scored CVEs is 6.4.

Cisco Unity Connection Vulnerabilities: CVEs, CISA KEV & Security Advisories

Cisco Unity Connection Vulnerabilities

Overview

Cisco Unity Connection Vulnerabilities

Overview

Severity and exploitation

Affected versions and CVEs

Specific versions

Common weakness types

Disclosure activity by year

Other cisco products

Frequently asked questions

How many CVEs does cisco Cisco Unity Connection have?

How many cisco Cisco Unity Connection CVEs are in CISA KEV?

Are there public exploits for cisco Cisco Unity Connection vulnerabilities?

Which versions of cisco Cisco Unity Connection are affected?

What are the most common weakness types in cisco Cisco Unity Connection CVEs?

How many critical cisco Cisco Unity Connection vulnerabilities are there?

What is the average severity of cisco Cisco Unity Connection CVEs?

References

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