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CVSS: 8.6EPSS: 0%CPEs: 10EXPL: 0

A vulnerability in the web proxy functionality of Cisco AsyncOS Software for Cisco Web Security Appliances could allow an unauthenticated, remote attacker to exhaust system memory and cause a denial of service (DoS) condition on an affected system. The vulnerability exists because the affected software improperly manages memory resources for TCP connections to a targeted device. An attacker could exploit this vulnerability by establishing a high number of TCP connections to the data interface of an affected device via IPv4 or IPv6. A successful exploit could allow the attacker to exhaust system memory, which could cause the system to stop processing new connections and result in a DoS condition. System recovery may require manual intervention. • http://www.securityfocus.com/bid/105098 http://www.securitytracker.com/id/1041535 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180815-wsa-dos • CWE-400: Uncontrolled Resource Consumption •

CVSS: 6.1EPSS: 0%CPEs: 3EXPL: 0

A vulnerability in the web-based management interface of Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to conduct a reflected or Document Object Model based (DOM-based) cross-site scripting (XSS) attack against a user of the web-based management interface of an affected device. The vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of an affected device. 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 script code in the context of the interface or allow the attacker to access sensitive browser-based information. Cisco Bug IDs: CSCve84006. • http://www.securityfocus.com/bid/104945 http://www.securitytracker.com/id/1041406 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180801-wsa-xss • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •

CVSS: 6.1EPSS: 0%CPEs: 2EXPL: 0

A vulnerability in the web-based management interface of Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to conduct a reflected cross-site scripting (XSS) attack against a user of the web-based management interface of an affected device. The vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of an affected device. 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 script code in the context of the interface or allow the attacker to access sensitive browser-based information. Cisco Bug IDs: CSCvf03514. • http://www.securityfocus.com/bid/104724 http://www.securitytracker.com/id/1041282 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180711-wsa-xss • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •

CVSS: 7.5EPSS: 0%CPEs: 17EXPL: 0

A vulnerability in AsyncOS for the Cisco Web Security Appliance (WSA) could allow an unauthenticated, local attacker to log in to the device with the privileges of a limited user or an unauthenticated, remote attacker to authenticate to certain areas of the web GUI, aka a Static Credentials Vulnerability. Affected Products: virtual and hardware versions of Cisco Web Security Appliance (WSA). More Information: CSCve06124. Known Affected Releases: 10.1.0-204. Known Fixed Releases: 10.5.1-270. • http://www.securityfocus.com/bid/99924 http://www.securitytracker.com/id/1038958 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170719-wsa4 • CWE-1188: Initialization of a Resource with an Insecure Default •

CVSS: 5.4EPSS: 0%CPEs: 18EXPL: 0

A vulnerability in the web-based management interface of Cisco Web Security Appliance (WSA) could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the web-based management interface of an affected device. Affected Products: virtual and hardware versions of Cisco Web Security Appliance (WSA). More Information: CSCvd88865. Known Affected Releases: 10.1.0-204. Una vulnerabilidad en la interfaz de administración basada en web de Web Security Appliance (WSA) de Cisco, podría permitir a un atacante remoto autenticado conducir un ataque de tipo cross-site scripting (XSS) almacenado contra un usuario de la interfaz de administración basada en web de un dispositivo afectado . • http://www.securityfocus.com/bid/99875 http://www.securitytracker.com/id/1038957 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170719-wsa3 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •