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CVSS: 9.0EPSS: 0%CPEs: 7EXPL: 0

A vulnerability in Cisco WebEx Business Suite clients, Cisco WebEx Meetings, and Cisco WebEx Meetings Server could allow an authenticated, remote attacker to execute arbitrary code on a targeted system. The vulnerability is due to insufficient input validation by the Cisco WebEx clients. An attacker could exploit this vulnerability by providing meeting attendees with a malicious Flash (.swf) file via the file-sharing capabilities of the client. Exploitation of this vulnerability could allow arbitrary code execution on the system of a targeted user. This affects the clients installed by customers when accessing a WebEx meeting. • http://www.securityfocus.com/bid/103920 http://www.securitytracker.com/id/1040709 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180418-wbs • CWE-20: Improper Input Validation •

CVSS: 9.6EPSS: 2%CPEs: 5EXPL: 0

A "Cisco WebEx Network Recording Player Remote Code Execution Vulnerability" exists in Cisco WebEx Network Recording Player for Advanced Recording Format (ARF) and WebEx Recording Format (WRF) files. A remote attacker could exploit this by providing a user with a malicious ARF or WRF file via email or URL and convincing the user to launch the file. Exploitation of this could cause an affected player to crash and, in some cases, could allow arbitrary code execution on the system of a targeted user. Cisco Bug IDs: CSCvf57234, CSCvg54868, CSCvg54870. Existe una "Cisco WebEx Network Recording Player Remote Code Execution Vulnerability" en Cisco WebEx Network Recording Player para archivos Advanced Recording Format (ARF) y WebEx Recording Format (WRF). • http://www.securityfocus.com/bid/102017 http://www.securitytracker.com/id/1039895 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-webex-players • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

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: 5.3EPSS: 0%CPEs: 2EXPL: 0

A vulnerability in Cisco WebEx Meeting Server could allow an unauthenticated, remote attacker to modify the welcome message of a meeting on an affected system. The vulnerability is due to insufficient security settings on meetings. An attacker could exploit this vulnerability by modifying the welcome message to a meeting. A successful exploit could allow the attacker to modify the welcome message of any known meeting. Cisco Bug IDs: CSCvf68695. • http://www.securityfocus.com/bid/102000 http://www.securitytracker.com/id/1039921 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-webex3 • CWE-264: Permissions, Privileges, and Access Controls CWE-668: Exposure of Resource to Wrong Sphere •

CVSS: 9.6EPSS: 2%CPEs: 6EXPL: 0

A "Cisco WebEx Network Recording Player Remote Code Execution Vulnerability" exists in Cisco WebEx Network Recording Player for Advanced Recording Format (ARF) and WebEx Recording Format (WRF) files. A remote attacker could exploit this by providing a user with a malicious ARF or WRF file via email or URL and convincing the user to launch the file. Exploitation of this could cause an affected player to crash and, in some cases, could allow arbitrary code execution on the system of a targeted user. Cisco Bug IDs: CSCve10584, CSCve10591, CSCve11503, CSCve10658, CSCve11507, CSCve10749, CSCve10744, CSCve11532, CSCve10762, CSCve10764, CSCve11538. Existe una "Cisco WebEx Network Recording Player Remote Code Execution Vulnerability" en Cisco WebEx Network Recording Player para archivos Advanced Recording Format (ARF) y WebEx Recording Format (WRF). • http://www.securityfocus.com/bid/102017 http://www.securitytracker.com/id/1039895 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-webex-players • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •