An issue was discovered in the Cisco WebEx Extension before 1.0.7 on Google Chrome, the ActiveTouch General Plugin Container before 106 on Mozilla Firefox, the GpcContainer Class ActiveX control plugin before 10031.6.2017.0126 on Internet Explorer, and the Download Manager ActiveX control plugin before 2.1.0.10 on Internet Explorer. A vulnerability in these Cisco WebEx browser extensions could allow an unauthenticated, remote attacker to execute arbitrary code with the privileges of the affected browser on an affected system. This vulnerability affects the browser extensions for Cisco WebEx Meetings Server and Cisco WebEx Centers (Meeting Center, Event Center, Training Center, and Support Center) when they are running on Microsoft Windows. The vulnerability is a design defect in an application programing interface (API) response parser within the extension. An attacker that can convince an affected user to visit an attacker-controlled web page or follow an attacker-supplied link with …

A vulnerability in a URL parameter of Cisco WebEx Meeting Center could allow an unauthenticated, remote attacker to perform site redirection. More Information: CSCzu78401. Known Affected Releases: T28.1.

Cisco WebEx Meeting Center Original Release Base allows remote attackers to obtain sensitive information about username validity by (1) attending or (2) hosting a meeting, aka Bug ID CSCux84312.

The encryption-processing feature in Cisco libSRTP before 1.5.3 allows remote attackers to cause a denial of service via crafted fields in SRTP packets, aka Bug ID CSCux00686.

Cisco WebEx Meeting Center allows remote attackers to obtain sensitive information via unspecified vectors, as demonstrated by discovering credentials, aka Bug ID CSCut17466.

Cisco WebEx Meeting Center does not properly restrict the content of URLs in GET requests, which allows remote attackers to obtain sensitive information or conduct SQL injection attacks via vectors involving read access to a request, aka Bug ID CSCup88398.

Cisco WebEx Meeting Center does not properly determine authorization for reading a host calendar, which allows remote attackers to obtain sensitive information by obtaining a list of all meetings and then sending a calendar request for each one, aka Bug ID CSCur23913.

Cross-site scripting (XSS) vulnerability in Cisco WebEx Meeting Center allows remote attackers to inject arbitrary web script or HTML via a crafted URL, aka Bug ID CSCur03806.

Cisco WebEx Meeting Center places a meeting's access number in a URL, which allows remote attackers to obtain sensitive information and bypass intended attendance restrictions by visiting a meeting-registration page, aka Bug ID CSCus62147.

The web-based administrative interface in Cisco WebEx Meeting Center provides different error messages for failed login attempts depending on whether the username exists or corresponds to a privileged account, which allows remote attackers to enumerate account names and obtain sensitive information via a series of requests, aka Bug ID CSCuf28861.