Cisco Web Security Appliance AsyncOS Denial of Service Vulnerability

Cisco Web Security Appliance WSA is a set of Web security appliances from the U.S. company Cisco Cisco. The appliance provides SaaS-based access control, real-time network reporting and tracking, and security policy development, etc. Cisco AsyncOS is a set of operating systems running on it. A...

Threat Outbreak Alert RuleID22924: Email Messages Distributing Malicious Software on May 18, 2016

Medium Alert ID: 46276 First Published: 2016 May 18 18:04 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages distributing malicious software. Email messages that are related to this threat RuleID22924 may contain the following files: Name | Size...

Threat Outbreak Alert RuleID22919: Email Messages Distributing Malicious Software on May 18, 2016

Medium Alert ID: 46275 First Published: 2016 May 18 18:04 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages distributing malicious software. Email messages that are related to this threat RuleID22919 may contain the following files: Name | Size...

Threat Outbreak Alert RuleID22949: Email Messages Distributing Malicious Software on May 18, 2016

Medium Alert ID: 46272 First Published: 2016 May 18 18:04 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages distributing malicious software. Email messages that are related to this threat RuleID22949 may contain the following files: Name | Size...

Cisco Web Security Appliance Cached Range Request Denial of Service Vulnerability

A vulnerability in the cached file-range request functionality of Cisco AsyncOS for Cisco Web Security Appliance WSA could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an appliance due to the appliance running out of system memory. The vulnerability is d...

Cisco Web Security Appliance HTTP Length Denial of Service Vulnerability

A vulnerability in HTTP request parsing in Cisco AsyncOS for the Cisco Web Security Appliance WSA could allow an unauthenticated, remote attacker to cause a denial of service DoS condition when the proxy process unexpectedly restarts. The vulnerability occurs because the affected software does no...

Cisco Web Security Appliance Connection Denial of Service Vulnerability

A vulnerability in Cisco AsyncOS for the Cisco Web Security Appliance WSA when the software handles a specific HTTP response code could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an appliance because the appliance runs out of system memory. The...

Cisco Web Security Appliance HTTP POST Denial of Service Vulnerability

A vulnerability that occurs when parsing an HTTP POST request with Cisco AsyncOS for Cisco Web Security Appliance WSA could allow an unauthenticated, remote attacker to cause a denial of service DoS vulnerability due to the proxy process becoming unresponsive. The vulnerability is due to a lack o...

Threat Outbreak Alert RuleID22929: Email Messages Distributing Malicious Software on May 18, 2016

Medium Alert ID: 46260 First Published: 2016 May 18 15:51 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages distributing malicious software. Email messages that are related to this threat RuleID22929 may contain the following files: Name | Size...

Threat Outbreak Alert RuleID22938: Email Messages Distributing Malicious Software on May 18, 2016

Medium Alert ID: 46266 First Published: 2016 May 18 15:51 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages distributing malicious software. Email messages that are related to this threat RuleID22938 may contain the following files: Name | Size...

Threat Outbreak Alert RuleID22936: Email Messages Distributing Malicious Software on May 18, 2016

Medium Alert ID: 46265 First Published: 2016 May 18 15:51 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages distributing malicious software. Email messages that are related to this threat RuleID22936 may contain the following files: Name | Size...

Threat Outbreak Alert RuleID22906: Email Messages Distributing Malicious Software on May 18, 2016

Medium Alert ID: 46264 First Published: 2016 May 18 15:51 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages distributing malicious software. Email messages that are related to this threat RuleID22906 may contain the following files: Name | Size...

Threat Outbreak Alert RuleID22931: Email Messages Distributing Malicious Software on May 18, 2016

Medium Alert ID: 46261 First Published: 2016 May 18 15:51 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages distributing malicious software. Email messages that are related to this threat RuleID22931 may contain the following files: Name | Size...

Threat Outbreak Alert RuleID22912: Email Messages Distributing Malicious Software on May 17, 2016

Medium Alert ID: 46243 First Published: 2016 May 18 15:50 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages distributing malicious software. Email messages that are related to this threat RuleID22912 may contain the following files: Name | Size...

Threat Outbreak Alert RuleID22946: Email Messages Distributing Malicious Software on May 18, 2016

Medium Alert ID: 46271 First Published: 2016 May 18 15:16 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages distributing malicious software. Email messages that are related to this threat RuleID22946 may contain the following files: Name | Size...

Threat Outbreak Alert RuleID22945: Email Messages Distributing Malicious Software on May 18, 2016

Medium Alert ID: 46270 First Published: 2016 May 18 15:16 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages distributing malicious software. Email messages that are related to this threat RuleID22945 may contain the following files: Name | Size...

Threat Outbreak Alert RuleID22941: Email Messages Distributing Malicious Software on May 18, 2016

Medium Alert ID: 46268 First Published: 2016 May 18 14:21 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages distributing malicious software. Email messages that are related to this threat RuleID22941 may contain the following files: Name | Size...

Cisco Releases Security Updates

Cisco has released security updates to address vulnerabilities in its Web Security Appliance software. Exploitation of these vulnerabilities could cause a denial-of-service-condition on an affected system. Users and administrators are encouraged to review the following Cisco Security Advisories a...

Threat Outbreak Alert RuleID22923: Email Messages Distributing Malicious Software on May 17, 2016

Medium Alert ID: 46241 First Published: 2016 May 17 18:46 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages distributing malicious software. Email messages that are related to this threat RuleID22923 may contain the following files: Name | Size...

Threat Outbreak Alert RuleID22917: Email Messages Distributing Malicious Software on May 17, 2016

Medium Alert ID: 46238 First Published: 2016 May 17 18:38 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages distributing malicious software. Email messages that are related to this threat RuleID22917 may contain the following files: Name | Size...