Cisco Vulnerabilities and Affected Products
Vulnerabilities associated with Cisco Unity Connection.
Products
Clear product- Cisco Small Business RV Series Router Firmware262 vulnerabilities
- Cisco IOS XE Software248 vulnerabilities
- Cisco Firepower Threat Defense Software161 vulnerabilities
- Cisco Adaptive Security Appliance (ASA) Software160 vulnerabilities
- Cisco Identity Services Engine Software156 vulnerabilities
- Cisco Firepower Management Center128 vulnerabilities
- Cisco IOS XR Software107 vulnerabilities
- Cisco NX-OS Software88 vulnerabilities
- Cisco Data Center Network Manager74 vulnerabilities
- Cisco SD-WAN vManage61 vulnerabilities
- Cisco SD-WAN Solution54 vulnerabilities
- Cisco Unified Communications Manager52 vulnerabilities
- Cisco Prime Infrastructure50 vulnerabilities
- Cisco Secure Firewall Threat Defense (FTD) Software48 vulnerabilities
- Cisco Webex Meetings46 vulnerabilities
- Cisco Catalyst SD-WAN Manager45 vulnerabilities
- IOS41 vulnerabilities
- Cisco Enterprise NFV Infrastructure Software39 vulnerabilities
- Cisco IOS36 vulnerabilities
- Cisco Unified Contact Center Express36 vulnerabilities
- Cisco WebEx WRF Player35 vulnerabilities
- Cisco Digital Network Architecture Center (DNA Center)33 vulnerabilities
- Cisco Unified Computing System (Managed)33 vulnerabilities
- Cisco Secure Firewall Adaptive Security Appliance (ASA) Software31 vulnerabilities
- Cisco Unity Connection31 vulnerabilities
| Vulnerability | Title and context | CVSS | EPSS | PoCs | Signals | STIX action |
|---|---|---|---|---|---|---|
CVE-2026-20034HIGH | Cisco Unity Connection Remote Code Execution VulnerabilityA vulnerability in the web-based management interface of Cisco Unity Connection could allow an authenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by submitting a crafted API request. A successful exploit could allow the attacker to execute arbitrary code as root, possibly resulting in the complete compromise of a targeted device. To exploi… CWE-35May 6, 2026 | CVSS8.8v3.1 | EPSS0.712% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2026-20035HIGH | Cisco Unity Connection Server-Side Request Forgery VulnerabilityA vulnerability in the web UI of Cisco Unity Connection Web Inbox could allow an unauthenticated, remote attacker to conduct SSRF attacks through an affected device. This vulnerability is due to improper input validation for specific HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to send arbitrary network requests that are sourced from the affected device. CWE-918May 6, 2026 | CVSS7.2v3.1 | EPSS0.304% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2026-20059MEDIUM | Cisco Unity Connection Reflected Cross-Site Scripting VulnerabilityA vulnerability in the web-based management interface of Cisco Unity Connection could allow an unauthenticated, remote attacker to conduct a reflected 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 to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context … CWE-79Apr 15, 2026 | CVSS6.1v3.1 | EPSS0.193% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2026-20061MEDIUM | Cisco Unity Connection SQL Injection VulnerabilityA vulnerability in the web-based management interface of Cisco Unity Connection could allow an authenticated, remote attacker to perform an SQL injection attack against an affected device. To exploit this vulnerability, the attacker must have valid user credentials on the affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP(S) request to the web-based management interface of an affe… CWE-89Apr 15, 2026 | CVSS4.3v3.1 | EPSS0.228% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2026-20060MEDIUM | Cisco Unity Connection Open Redirect VulnerabilityA 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. CWE-601Apr 15, 2026 | CVSS4.7v3.1 | EPSS0.202% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2026-20081MEDIUM | Cisco Unity Connection Arbitrary File Download VulnerabilityMultiple 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 down… CWE-23Apr 15, 2026 | CVSS6.5v3.1 | EPSS0.388% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2026-20078MEDIUM | Cisco Unity Connection Arbitrary File Download VulnerabilityMultiple 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 down… CWE-23Apr 15, 2026 | CVSS6.5v3.1 | EPSS0.388% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2026-20045HIGH | Cisco Unified Communications Products Remote Code Execution VulnerabilityA vulnerability in Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P), Cisco Unity Connection, and Cisco Webex Calling Dedicated Instance could allow an unauthenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected device. This vulnerability is due to improper validation o… CWE-94Jan 21, 2026 | CVSS8.2v3.1 | EPSS4.31% | PoCs2 | SignalsListed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2025-20278MEDIUM | Cisco Unified Communications Products Command Injection VulnerabilityA 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 … CWE-77Jun 4, 2025 | CVSS6.0v3.1 | EPSS0.155% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2025-20112MEDIUM | Cisco Unified Communications Products Privilege Escalation VulnerabilityA 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 pr… CWE-268May 21, 2025 | CVSS5.1v3.1 | EPSS0.13% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2020-3532MEDIUM | Cisco Unified Communications Products Cross-Site Scripting VulnerabilityA vulnerability in the web-based management interface of Cisco Unified Communications Manager, Cisco Unified Communications Manager Session Management Edition, Cisco Unified Communications Manager IM & Presence Service, and Cisco Unity Connection could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. The vulnerability exists because the web-based management interface does not properly validate user-… CWE-79Nov 18, 2024 | CVSS6.1v3.0 | EPSS0.487% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2024-20253CRITICAL | 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 u… CWE-502Jan 26, 2024 | CVSS9.9v3.1 | EPSS2.4% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2024-20305MEDIUM | A vulnerability in the web-based management interface of Cisco Unity Connection could allow an authenticated, 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 the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary sc… CWE-79Jan 26, 2024 | CVSS4.8v3.1 | EPSS0.352% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2024-20272HIGH | A vulnerability in the web-based management interface of Cisco Unity Connection could allow an unauthenticated, remote attacker to upload arbitrary files to an affected system and execute commands on the underlying operating system. This vulnerability is due to a lack of authentication in a specific API and improper validation of user-supplied data. An attacker could exploit this vulnerability by uploading arbitrary files to an affected system. A successful exploit could allow the attacker to st… CWE-434Jan 17, 2024 | CVSS7.3v3.1 | EPSS1.6% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2023-20259HIGH | A vulnerability in an API endpoint of multiple Cisco Unified Communications Products could allow an unauthenticated, remote attacker to cause high CPU utilization, which could impact access to the web-based management interface and cause delays with call processing. This API is not used for device management and is unlikely to be used in normal operations of the device. This vulnerability is due to improper API authentication and incomplete validation of the API request. An attacker could exp… CWE-400Oct 4, 2023 | CVSS8.6v3.1 | EPSS0.612% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2023-20266MEDIUM | A vulnerability in Cisco Emergency Responder, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection could allow an authenticated, remote attacker to elevate privileges to root on an affected device. This vulnerability exists because the application does not properly restrict the files that are being used for upgrades. An attacker could exploit this vulnerability by providing a crafted upg… | CVSS6.5v3.1 | EPSS0.364% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2022-20800MEDIUM | Cisco Unified Communications Products Cross-Site Scripting VulnerabilityA vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P), and Cisco Unity Connection 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 … CWE-79Jul 6, 2022 | CVSS6.1v3.1 | EPSS0.718% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2021-34701MEDIUM | Cisco Unified Communications Products Path Traversal VulnerabilityA vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P), and Cisco Unity Connection could allow an authenticated, remote attacker to access sensitive data on an affected device. This vulnerability exists because the web-based management interface does not properly validate user-su… CWE-22Nov 4, 2021 | CVSS4.3v3.1 | EPSS1.51% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2021-1409MEDIUM | Cisco Unified Communications Products Cross-Site Scripting VulnerabilitiesMultiple vulnerabilities in the web-based management interface of Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against an interface user. These vulnerabilities exist because the web-based management inter… | CVSS6.1v3.1 | EPSS0.823% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2021-1408MEDIUM | Cisco Unified Communications Products Cross-Site Scripting VulnerabilitiesMultiple vulnerabilities in the web-based management interface of Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against an interface user. These vulnerabilities exist because the web-based management inter… | CVSS6.1v3.1 | EPSS0.823% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2021-1407MEDIUM | Cisco Unified Communications Products Cross-Site Scripting VulnerabilitiesMultiple vulnerabilities in the web-based management interface of Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against an interface user. These vulnerabilities exist because the web-based management inter… | CVSS6.1v3.1 | EPSS0.823% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2021-1380MEDIUM | Cisco Unified Communications Products Cross-Site Scripting VulnerabilitiesMultiple vulnerabilities in the web-based management interface of Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against an interface user. These vulnerabilities exist because the web-based management inter… | CVSS6.1v3.1 | EPSS0.823% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2021-1362HIGH | Cisco Unified Communications Products Remote Code Execution VulnerabilityA vulnerability in the SOAP API endpoint of Cisco Unified Communications Manager, Cisco Unified Communications Manager Session Management Edition, Cisco Unified Communications Manager IM & Presence Service, Cisco Unity Connection, and Cisco Prime License Manager could allow an authenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to improper sanitization of user-supplied input. An attacker could exploit this vulnerability by sending a SOAP … CWE-94Apr 8, 2021 | CVSS8.8v3.1 | EPSS2.71% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2019-15963MEDIUM | Cisco Unified Communications Manager Information Disclosure VulnerabilityA vulnerability in the web-based management interface of Cisco Unified Communications Manager could allow an authenticated, remote attacker to view sensitive information in the web-based management interface of the affected software. The vulnerability is due to insufficient protection of user-supplied input by the web-based management interface of the affected service. An attacker could exploit this vulnerability by accessing the interface and viewing restricted portions of the software configur… CWE-200Sep 23, 2020 | CVSS6.5v3.1 | EPSS0.936% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2020-3130MEDIUM | Cisco Unity Connection Directory Traversal VulnerabilityA vulnerability in the web management interface of Cisco Unity Connection could allow an authenticated remote attacker to overwrite files on the underlying filesystem. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web management interface. A successful exploit could allow the attacker to overwrite files on the underlying filesystem of an affected system. Valid administrator credentials are required… | CVSS6.5v3.1 | EPSS1.81% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |