Cisco Unified Communications Vulnerabilities & Security Advisories
15 advisories tracked · Cisco Security Advisories · 2 listed in the CISA Known Exploited Vulnerabilities catalog
Every row below is a published Cisco advisory that VulniPulse classified as Unified Communications, with the CVEs, affected and fixed releases and exploitation status the vendor stated. Severity mix: 1 critical, 3 high, 11 medium.
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Cisco Security Advisories
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Latest Cisco Unified Communications advisories
Medium [CVE-2026-20314] Cisco Packaged Contact Center Enterprise and Cisco Unified Contact Center Enterprise Server-Side Request Forgery Vulnerability
A vulnerability in Cisco Packaged Contact Center Enterprise (Packaged CCE) and Cisco Unified Contact Center Enterprise (Unified CCE) could allow an authenticated, remote attacker to conduct server-side request forgery (SSRF) attacks through an affected device. The flaw is caused by improper input validation for specific HTTP requests.
Medium [CVE-2026-20175] Cisco Finesse Remote File Inclusion Vulnerability
A vulnerability in Cisco Finesse could allow an unauthenticated, remote attacker to load arbitrary files from remote locations into an active user session on an affected device, possibly leading to browser-based attacks. This vulnerability is due to insufficient validation of user-supplied input for HTTP requests that are sent to an affected device. An attacker who has knowledge of the address of the affected device could exploit this vulnerability by persuading a user to click a crafted link that contains the affected device address. A successful exploit could allow the attacker to conduct browser-based attacks and execute arbitrary script code in the context of the affected interface or access sensitive information on the affected device. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
Medium [CVE-2026-20055 +1] Cisco Packaged Contact Center Enterprise and Cisco Unified Contact Center Enterprise Cross-Site Scripting Vulnerabilities
Multiple vulnerabilities in the web-based management interface of Cisco Packaged Contact Center Enterprise (Packaged CCE) and Cisco Unified Contact Center Enterprise (Unified CCE) could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based management interface of an affected device. These vulnerabilities exist because the web-based management interface does not properly validate user-supplied input. An attacker could exploit these vulnerabilities by injecting malicious code into specific pages of the interface. 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. To exploit these vulnerabilities, the attacker must have valid administrative credentials. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.
Medium [CVE-2026-20178] Cisco Webex App Open Redirect Vulnerability
A vulnerability in the browser-based version of Cisco Webex App could have allowed an unauthenticated, remote attacker to redirect users to a malicious webpage. Cisco has addressed this vulnerability in the Cisco Webex App, and no customer action is needed. This vulnerability existed due to improper input validation of URL parameters in an HTTP request. Prior to this vulnerability being addressed, an attacker could have exploited this vulnerability by persuading a user to click a crafted URL. A successful exploit could have allowed the attacker to redirect a user to a malicious website. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
Medium [CVE-2026-20233] Cisco Webex Meetings Cross-Site Scripting Vulnerability
A vulnerability in the web-based user interface of Cisco Webex Meetings could have allowed an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack. Cisco has addressed this vulnerability in the Webex Meetings service, and no customer action is needed. This vulnerability existed because of insufficient validation of user input. Prior to this vulnerability being addressed, an attacker could have exploited this vulnerability by persuading a user to follow a malicious link. A successful exploit could have allowed the attacker to execute arbitrary script code in the browser of the targeted user or access sensitive, browser-based information. There are no workarounds that address this vulnerability.
Medium [CVE-2026-20219] Cisco Slido Insecure Direct Object Reference Vulnerability
A vulnerability in the REST API of Cisco Slido could have allowed an authenticated, remote attacker to access the social profile data of other users or affect quiz and poll results. Cisco has addressed this vulnerability in Cisco Slido and no customer action is needed. This vulnerability existed because of the presence of an insecure direct object reference. Prior to this vulnerability being addressed, an attacker could have exploited this vulnerability by sending a crafted request to the vulnerable API endpoint. There are no workarounds that address this vulnerability. Affected products named by the advisory: Webex Meetings.
Medium [CVE-2026-20078 +1] Cisco Unity Connection Arbitrary File Download Vulnerabilities
Multiple 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 download arbitrary files from an affected system. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.
Medium [CVE-2026-20059 +2] Cisco Unity Connection Cross-Site Scripting, Open Redirect, and SQL Injection Vulnerabilities
Multiple vulnerabilities in Cisco Unity Connection could allow a remote attacker to conduct a cross-site scripting (XSS) attack, an open redirect attack, and an SQL injection attack. For more information about these vulnerabilities, see the Details section of this advisory. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.
Medium [CVE-2026-20170] Cisco Webex Contact Center Cross-Site Scripting Vulnerability
A vulnerability in the Desktop Agent functionality of Cisco Webex Contact Center could have allowed an unauthenticated, remote attacker to conduct cross-site scripting attacks. Cisco has addressed this vulnerability in the Cisco Webex Contact Center service, and no customer action is needed. This vulnerability existed because HTML and script content was not properly handled. Prior to this vulnerability being addressed, an attacker could have exploited this vulnerability by persuading a user to follow a malicious link. A successful exploit could have allowed the attacker to steal sensitive information from the browser, including authentication and session information. There are no workarounds that address this vulnerability.
Medium [CVE-2026-20116 +1] Multiple Cisco Contact Center Products Cross-Site Scripting Vulnerabilities
Multiple vulnerabilities in the web-based management interface of Cisco Finesse, Cisco Packaged Contact Center Enterprise (Packaged CCE), Cisco Unified Contact Center Enterprise (Unified CCE), Cisco Unified Contact Center Express (Unified CCX), and Cisco Unified Intelligence Center could allow an unauthenticated, remote attacker to conduct cross-site scripting (XSS) attacks against a user of the interface. These vulnerabilities exist because the web-based management interface of an affected system does not sufficiently validate user-supplied input. An attacker could exploit these vulnerabil…
Medium [CVE-2026-20149] Cisco Webex Services Cross-Site Scripting Vulnerability
A vulnerability in Cisco Webex could have allowed an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack. Cisco has addressed this vulnerability, and no customer action is needed. This vulnerability was due to improper filtering of user-supplied input. Prior to this vulnerability being addressed, an attacker could have exploited this vulnerability by persuading a user to follow a malicious link. A successful exploit could have allowed the attacker to conduct an XSS attack against the targeted user. As mentioned, Cisco has addressed this vulnerability in the Cisco… Affected product named by the advisory: Cisco Webex Meetings.