Cisco Vulnerabilities and Affected Products
Vulnerabilities associated with Cisco Webex Meetings.
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-2026-20233MEDIUM | Cisco Webex Meetings Cross-Site Scripting VulnerabilityA 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 l… CWE-79Jun 3, 2026 | CVSS6.1v3.1 | EPSS0.184% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2026-20219MEDIUM | Generated title:Cisco Slido REST API Insecure Direct Object ReferenceA 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 vul… CWE-639May 6, 2026 | CVSS5.4v3.1 | EPSS0.168% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2026-20184CRITICAL | Cisco Webex Meetings Certificate Validation VulnerabilityA vulnerability in the integration of single sign-on (SSO) with Control Hub in Cisco Webex Services could have allowed an unauthenticated, remote attacker to impersonate any user within the service. This vulnerability existed because of improper certificate validation. Prior to this vulnerability being addressed, an attacker could have exploited this vulnerability by connecting to a service endpoint and supplying a crafted token. A successful exploit could have allowed the attacker to gain un… CWE-295Apr 15, 2026 | CVSS9.8v3.1 | EPSS0.52% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2026-20149MEDIUM | Generated title:Cisco Webex Cross-Site Scripting VulnerabilityA 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… CWE-79Mar 4, 2026 | CVSS6.1v3.1 | EPSS0.235% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2025-20328MEDIUM | A vulnerability in the user profile component of Cisco Webex Meetings could have allowed an authenticated, remote attacker with low privileges to conduct a cross-site scripting (XSS) attack against a user of the web-based interface. Cisco has addressed this vulnerability in the Cisco Webex Meetings service, and no customer action is needed. This vulnerability existed because of insufficient validation of user-supplied input to the user profile component of Cisco Webex Meetings. Prior to this … CWE-79Sep 3, 2025 | CVSS5.4v3.1 | EPSS0.212% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2025-20291MEDIUM | A vulnerability in Cisco Webex Meetings could have allowed an unauthenticated, remote attacker to redirect a targeted Webex Meetings user to an untrusted website. Cisco has addressed this vulnerability in the Cisco Webex Meetings service, and no customer action is needed. This vulnerability existed because of insufficient validation of URLs that were included in a meeting-join URL. Prior to this vulnerability being addressed, an attacker could have exploited this vulnerability by including a … CWE-601Sep 3, 2025 | CVSS4.3v3.1 | EPSS0.235% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2025-20215MEDIUM | Cisco Webex Meeting Client Join Certificate Validation VulnerabilityA vulnerability in the meeting-join functionality of Cisco Webex Meetings could have allowed an unauthenticated, network-proximate attacker to complete a meeting-join process in place of an intended targeted user, provided the requisite conditions were satisfied. Cisco has addressed this vulnerability in the Cisco Webex Meetings service, and no customer action is needed. This vulnerability existed due to client certificate validation issues. Prior to this vulnerability being addressed, an att… CWE-295Aug 6, 2025 | CVSS5.4v3.1 | EPSS0.106% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2025-20250MEDIUM | A vulnerability in Cisco Webex could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack. A vulnerability is due to improper filtering of user-supplied input. An attacker could exploit this vulnerability by persuading a user to follow a malicious link. A successful exploit could allow the attacker to conduct a cross-site scripting attack against the targeted user. CWE-79May 21, 2025 | CVSS6.1v3.1 | EPSS0.28% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2025-20247MEDIUM | A vulnerability in Cisco Webex could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack. A vulnerability is due to improper filtering of user-supplied input. An attacker could exploit this vulnerability by persuading a user to follow a malicious link. A successful exploit could allow the attacker to conduct a cross-site scripting attack against the targeted user. CWE-79May 21, 2025 | CVSS6.1v3.1 | EPSS0.28% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2025-20246MEDIUM | A vulnerability in Cisco Webex could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack. A vulnerability is due to improper filtering of user-supplied input. An attacker could exploit this vulnerability by persuading a user to follow a malicious link. A successful exploit could allow the attacker to conduct a cross-site scripting attack against the targeted user. CWE-79May 21, 2025 | CVSS6.1v3.1 | EPSS0.28% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2025-20255MEDIUM | A vulnerability in client join services of Cisco Webex Meetings could allow an unauthenticated, remote attacker to manipulate cached HTTP responses within the meeting join service. This vulnerability is due to improper handling of malicious HTTP requests to the affected service. An attacker could exploit this vulnerability by manipulating stored HTTP responses within the service, also known as HTTP cache poisoning. A successful exploit could allow the attacker to cause the Webex Meetings serv… CWE-349May 21, 2025 | CVSS4.3v3.1 | EPSS0.182% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2021-1410MEDIUM | Cisco Webex Meetings Unauthorized Distribution List Update VulnerabilityA vulnerability in the distribution list feature of Cisco Webex Meetings could allow an authenticated, remote attacker to modify a distribution list that belongs to another user of their organization. The vulnerability is due to insufficient authorization enforcement for requests to update distribution lists. An attacker could exploit this vulnerability by sending a crafted request to the Webex Meetings interface to modify an existing distribution list. A successful exploit could allow the… CWE-284Nov 18, 2024 | CVSS4.3v3.1 | EPSS0.808% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2022-20654MEDIUM | Cisco Webex Meetings Cross-Site Scripting VulnerabilityA vulnerability in the web-based interface of Cisco Webex Meetings could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based interface. This vulnerability is due to insufficient validation of user-supplied input by the web-based interface of Cisco Webex Meetings. An attacker could exploit this vulnerability by persuading a user of the interface to click a maliciously crafted link. A successful exploit could allow the… CWE-80Nov 15, 2024 | CVSS6.1v3.1 | EPSS0.572% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2023-20180MEDIUM | A vulnerability in the web interface of Cisco Webex Meetings could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack on an affected system. This vulnerability is due to insufficient CSRF protections for the web interface on an affected system. An attacker could exploit this vulnerability by persuading a user of the interface to click a malicious link. A successful exploit could allow the attacker to perform arbitrary actions. These actions could i… CWE-352Jul 7, 2023 | CVSS4.3v3.1 | EPSS0.387% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2023-20133MEDIUM | A vulnerability in the web interface of Cisco Webex Meetings could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface. This vulnerability exists because of insufficient validation of user-supplied input in Webex Events (classic) programs, email templates, and survey questions. An attacker could exploit this vulnerability by persuading a user to click a malicious link. A successful exploit could allow the attacker to ex… CWE-79Jul 7, 2023 | CVSS5.4v3.1 | EPSS0.644% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2023-20134MEDIUM | Cisco Webex Meetings Web UI VulnerabilitiesMultiple vulnerabilities in the web interface of Cisco Webex Meetings could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack or upload arbitrary files as recordings. For more information about these vulnerabilities, see the Details section of this advisory. | CVSS5.4v3.1 | EPSS0.452% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2023-20132MEDIUM | Cisco Webex Meetings Web UI VulnerabilitiesMultiple vulnerabilities in the web interface of Cisco Webex Meetings could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack or upload arbitrary files as recordings. For more information about these vulnerabilities, see the Details section of this advisory. | CVSS5.4v3.1 | EPSS0.446% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2022-20820MEDIUM | Cisco Webex Meetings Web Interface VulnerabilitiesMultiple vulnerabilities in the web interface of Cisco Webex Meetings could allow a remote attacker to conduct a cross-site scripting (XSS) attack or a frame hijacking attack against a user of the web interface. For more information about these vulnerabilities, see the Details section of this advisory. | CVSS5.4v3.1 | EPSS0.512% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2022-20852MEDIUM | Cisco Webex Meetings Web Interface VulnerabilitiesMultiple vulnerabilities in the web interface of Cisco Webex Meetings could allow a remote attacker to conduct a cross-site scripting (XSS) attack or a frame hijacking attack against a user of the web interface. For more information about these vulnerabilities, see the Details section of this advisory. | CVSS5.4v3.1 | EPSS0.493% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2022-20778MEDIUM | Cisco Webex Meetings Cross-Site Scripting VulnerabilityA vulnerability in the authentication component of Cisco Webex Meetings could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based interface. This vulnerability is due to insufficient validation of user-supplied input by the web-based interface of the authentication component of Cisco Webex Meetings. An attacker could exploit this vulnerability by persuading a user of the interface to click a maliciously crafted link. A successf… CWE-79Apr 21, 2022 | CVSS6.1v3.1 | EPSS0.784% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2022-20763MEDIUM | Cisco Webex Meetings Java Deserialization VulnerabilityA vulnerability in the login authorization components of Cisco Webex Meetings could allow an authenticated, remote attacker to inject arbitrary Java code. This vulnerability is due to improper deserialization of Java code within login requests. An attacker could exploit this vulnerability by sending malicious login requests to the Cisco Webex Meetings service. A successful exploit could allow the attacker to inject arbitrary Java code and take arbitrary actions within the Cisco Webex Meetings ap… CWE-502Apr 6, 2022 | CVSS5.4v3.1 | EPSS0.885% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2021-40128MEDIUM | Cisco Webex Meetings Email Content Injection VulnerabilityA vulnerability in the account activation feature of Cisco Webex Meetings could allow an unauthenticated, remote attacker to send an account activation email with an activation link that points to an arbitrary domain. This vulnerability is due to insufficient validation of user-supplied parameters. An attacker could exploit this vulnerability by sending a crafted HTTP request to the account activation page of Cisco Webex Meetings. A successful exploit could allow the attacker to send to any reci… | CVSS5.3v3.1 | EPSS0.955% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2021-34743MEDIUM | Cisco Webex Software Application Authorization Bypass VulnerabilityA vulnerability in the application integration feature of Cisco Webex Software could allow an unauthenticated, remote attacker to authorize an external application to integrate with and access a user's account without that user's express consent. This vulnerability is due to improper validation of cross-site request forgery (CSRF) tokens. An attacker could exploit this vulnerability by convincing a targeted user who is currently authenticated to Cisco Webex Software to follow a link designed to … CWE-352Oct 21, 2021 | CVSS4.3v3.1 | EPSS0.438% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2021-1544MEDIUM | Cisco Webex Meetings Client Software Logging Information Disclosure VulnerabilityA vulnerability in logging mechanisms of Cisco Webex Meetings client software could allow an authenticated, local attacker to gain access to sensitive information. This vulnerability is due to unsafe logging of application actions. An attacker could exploit this vulnerability by logging onto the local system and accessing files containing the logged details. A successful exploit could allow the attacker to gain access to sensitive information, including meeting data and recorded meeting transcri… CWE-497Jun 4, 2021 | CVSS5.5v3.1 | EPSS0.228% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2021-1527MEDIUM | Cisco Webex Player Memory Corruption VulnerabilityA vulnerability in Cisco Webex Player for Windows and MacOS could allow an attacker to cause the affected software to terminate or to gain access to memory state information that is related to the vulnerable application. The vulnerability is due to insufficient validation of values in Webex recording files that are stored in Webex Recording Format (WRF). An attacker could exploit this vulnerability by sending a malicious WRF file to a user as a link or email attachment and then persuading the us… | CVSS5.3v3.1 | EPSS0.576% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |