Cisco Virtualized Voice Browser
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Recent Cisco Virtualized Voice Browser Security Advisories
| Advisory | Title | Published |
|---|---|---|
| 2021-07-07 | Cisco Virtualized Voice Browser Cross-Site Scripting Vulnerability | July 7, 2021 |
| 2021-06-09 | Cisco Finesse and Cisco Virtualized Voice Browser OpenSocial Gadget Editor Vulnerabilities | June 9, 2021 |
By the Year
In 2026 there have been 0 vulnerabilities in Cisco Virtualized Voice Browser. Last year, in 2025 Virtualized Voice Browser had 2 security vulnerabilities published. Right now, Virtualized Voice Browser is on track to have less security vulnerabilities in 2026 than it did last year.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 0 | 0.00 |
| 2025 | 2 | 5.90 |
| 2024 | 1 | 10.00 |
| 2023 | 0 | 0.00 |
| 2022 | 0 | 0.00 |
| 2021 | 2 | 8.05 |
| 2020 | 0 | 0.00 |
| 2019 | 0 | 0.00 |
| 2018 | 1 | 0.00 |
It may take a day or so for new Virtualized Voice Browser vulnerabilities to show up in the stats or in the list of recent security vulnerabilities. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Cisco Virtualized Voice Browser Security Vulnerabilities
Cisco UB CLI: Authenticated Local RCE via Arg Validation
CVE-2025-20278
6.7 - Medium
- June 04, 2025
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 affected device as the root user. This vulnerability is due to improper validation of user-supplied command arguments. An attacker could exploit this vulnerability by executing crafted commands on the CLI of an affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system of an affected device as the root user. To exploit this vulnerability, the attacker must have valid administrative credentials.
Command Injection
Priv Escalation in Cisco Unified Comm via Local Auth on ESXi
CVE-2025-20112
5.1 - Medium
- May 21, 2025
A vulnerability in multiple Cisco Unified Communications and Contact Center Solutions products could allow an authenticated, local attacker to elevate privileges to root on an affected device. This vulnerability is due to excessive permissions that have been assigned to system commands. An attacker could exploit this vulnerability by executing crafted commands on the underlying operating system. A successful exploit could allow the attacker to escape the restricted shell and gain root privileges on the underlying operating system of an affected device. To successfully exploit this vulnerability, an attacker would need administrative access to the ESXi hypervisor.
Privilege Chaining
Cisco Unified Communications: RCE via Improper Data Reads
CVE-2024-20253
10 - Critical
- January 26, 2024
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 vulnerability is due to the improper processing of user-provided data that is being read into memory. An attacker could exploit this vulnerability by sending a crafted message to a listening port of an affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with the privileges of the web services user. With access to the underlying operating system, the attacker could also establish root access on the affected device.
Marshaling, Unmarshaling
Apache Log4j2 2.0-beta9 through 2.15.0 (excluding security releases 2.12.2
CVE-2021-44228
10 - Critical
- December 10, 2021
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 controlled LDAP and other JNDI related endpoints. An attacker who can control log messages or log message parameters can execute arbitrary code loaded from LDAP servers when message lookup substitution is enabled. From log4j 2.15.0, this behavior has been disabled by default. From version 2.16.0 (along with 2.12.2, 2.12.3, and 2.3.1), this functionality has been completely removed. Note that this vulnerability is specific to log4j-core and does not affect log4net, log4cxx, or other Apache Logging Services projects.
Marshaling, Unmarshaling
A vulnerability in the web-based management interface of Cisco Virtualized Voice Browser could
CVE-2021-1575
6.1 - Medium
- July 08, 2021
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 of the interface. This vulnerability exists because the web-based management interface does not properly validate user-supplied input. An attacker could exploit this vulnerability by persuading a user of an affected interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.
XSS
Multiple Cisco products are affected by a vulnerability in local file management for certain system log files of Cisco collaboration products
CVE-2017-6779
- June 07, 2018
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 cause high disk utilization, resulting in a denial of service (DoS) condition. The vulnerability occurs because a certain system log file does not have a maximum size restriction. Therefore, the file is allowed to consume the majority of available disk space on the appliance. An attacker could exploit this vulnerability by sending crafted remote connection requests to the appliance. Successful exploitation could allow the attacker to increase the size of a system log file so that it consumes most of the disk space. The lack of available disk space could lead to a DoS condition in which the application functions could operate abnormally, making the appliance unstable. This vulnerability affects the following Cisco Voice Operating System (VOS)-based products: Emergency Responder, Finesse, Hosted Collaboration Mediation Fulfillment, MediaSense, Prime License Manager, SocialMiner, Unified Communications Manager (UCM), Unified Communications Manager IM and Presence Service (IM&P - earlier releases were known as Cisco Unified Presence), Unified Communication Manager Session Management Edition (SME), Unified Contact Center Express (UCCx), Unified Intelligence Center (UIC), Unity Connection, Virtualized Voice Browser. This vulnerability also affects Prime Collaboration Assurance and Prime Collaboration Provisioning. Cisco Bug IDs: CSCvd10872, CSCvf64322, CSCvf64332, CSCvi29538, CSCvi29543, CSCvi29544, CSCvi29546, CSCvi29556, CSCvi29571, CSCvi31738, CSCvi31741, CSCvi31762, CSCvi31807, CSCvi31818, CSCvi31823.
Resource Management Errors
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