Cisco Virtualized Voice Browser vulnerabilities

5 CVEs affecting Cisco Virtualized Voice Browser, 1 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-20278, published 2025-06-04.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2021-44228: Apache Log4j2 Remote Code Execution Vulnerability, published 2021-12-10. Critical severity, CVSS 10.0. Actively exploited: in CISA KEV since 2021-12-10. EPSS: 100% chance of exploitation in the next 30 days. Apache Log4j2 2.0-beta9 through 2.15.0 (excluding security releases 2.12.2, 2.12.3, and 2.3.1) JNDI features used in configuration, log messages, and parameters do not protect against attacker…
CVE-2024-20253, published 2024-01-26. Critical severity, CVSS 10.0. EPSS: 2.4% chance of exploitation in the next 30 days. A vulnerability in multiple Cisco Unified Communications and Contact Center Solutions products could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device. This…
CVE-2017-6779, published 2018-06-07. High severity, CVSS 7.5. EPSS: 2% chance of exploitation in the next 30 days. Multiple Cisco products are affected by a vulnerability in local file management for certain system log files of Cisco collaboration products that could allow an unauthenticated, remote attacker to…
CVE-2021-1575, published 2021-07-08. Medium severity, CVSS 6.1. EPSS: 0.8% chance of exploitation in the next 30 days. A vulnerability in the web-based management interface of Cisco Virtualized Voice Browser could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user…
CVE-2025-20278, published 2025-06-04. Medium severity, CVSS 6.7. EPSS: 0.2% chance of exploitation in the next 30 days. A vulnerability in the CLI of multiple Cisco Unified Communications products could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system of an…