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CVSS: 4.3EPSS: 0%CPEs: 4EXPL: 0

A vulnerability in Cisco WebEx Network Recording Player for WebEx Recording Format (WRF) files could allow an attacker to cause a denial of service (DoS) condition. An attacker could exploit this vulnerability by providing a user with a malicious WRF file via email or URL and convincing the user to open the file. A successful exploit could cause an affected player to crash, resulting in a DoS condition. This vulnerability affects Cisco WebEx Business Suite meeting sites, Cisco WebEx Meetings sites, and Cisco WebEx WRF players. Cisco Bug IDs: CSCve30294, CSCve30301. • http://www.securityfocus.com/bid/102001 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-webex1 • CWE-399: Resource Management Errors •

CVSS: 7.8EPSS: 0%CPEs: 1EXPL: 0

A vulnerability in Cisco Meeting Server versions prior to 2.2.2 could allow an authenticated, remote attacker to cause the system to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to video calls being made on systems with a particular configuration. An attacker could exploit this by knowing a valid URI that directs to a Cisco Meeting Server. An attacker could then make a video call and cause the system to reload. Cisco Bug IDs: CSCve65931. • http://www.securityfocus.com/bid/101987 http://www.securitytracker.com/id/1039913 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-cms • CWE-399: Resource Management Errors •

CVSS: 6.5EPSS: 0%CPEs: 6EXPL: 0

A Buffer Overflow vulnerability in Cisco WebEx Network Recording Player for Advanced Recording Format (.arf) files could allow an attacker to execute arbitrary code on a system. An attacker could exploit this vulnerability by providing a user with a malicious .arf file via email or URL and convincing the user to launch the file. Exploitation of this vulnerability could allow arbitrary code execution on the system of the targeted user. This vulnerability affects Cisco WebEx Business Suite meeting sites, Cisco WebEx Meetings sites, Cisco WebEx Meetings Server, and Cisco WebEx ARF players. Cisco Bug IDs: CSCve10729, CSCve10771, CSCve10779, CSCve11521, CSCve11543. • http://www.securityfocus.com/bid/102186 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-webex • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 4.3EPSS: 0%CPEs: 1EXPL: 0

A vulnerability in Cisco WebEx Event Center could allow an authenticated, remote attacker to view unlisted meeting information. The vulnerability is due to a design flaw in the product. An attacker could execute a query on an Event Center site to view scheduled meetings. A successful query would show both listed and unlisted meetings in the displayed information. An attacker could use this information to attend meetings that are not available for their attendance. • http://www.securityfocus.com/bid/101999 http://www.securitytracker.com/id/1039920 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-webex4 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVSS: 5.0EPSS: 0%CPEs: 11EXPL: 0

A vulnerability in Cisco WebEx Meeting Center could allow an authenticated, remote attacker to initiate connections to arbitrary hosts, aka a "URL Redirection Vulnerability." The vulnerability is due to insufficient access control for HTTP traffic directed to the Cisco WebEx Meeting Center. An attacker could exploit this vulnerability by sending a malicious URL to the Cisco WebEx Meeting Center. An exploit could allow the attacker to connect to arbitrary hosts. Cisco Bug IDs: CSCvf63843. • http://www.securityfocus.com/bid/101985 http://www.securitytracker.com/id/1039919 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-wmc • CWE-20: Improper Input Validation •