Cisco Security Advisory
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CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:X/RL:X/RC:X
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A vulnerability in Cisco WebEx Meetings Server could allow an authenticated, remote attacker to conduct arbitrary password changes against any non-administrative user.
The vulnerability is due to insufficient parameter string security. An attacker could exploit this vulnerability by creating a password-protected meeting and utilizing system-provided parameters to change a non-administrative user password. A successful exploit could allow an attacker to change the password of a targeted user.
Cisco has released software updates that address this vulnerability. Workarounds that mitigate this vulnerability are not available.
This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170118-wms1
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Cisco WebEx Meetings Server is a highly secure, high-availability, fully virtualized, behind-the-firewall conferencing solution that combines audio, video, and web conferencing in a single solution. Cisco WebEx Meetings Server is optimized for the bring-your-own-device (BYOD) enterprise, so users can sign in more securely, host, and join meetings from mobile devices or Internet-connected PCs without requiring VPN access to the corporate network.
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There are no workarounds available.
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For information about fixed software releases, consult the Cisco bug ID(s) at the top of this advisory.
When considering software upgrades, customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories and Alerts page, to determine exposure and a complete upgrade solution.
In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers.
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The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
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To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.
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Show LessVersion Description Section Status Date 1.0 Initial public release. — Final 2017-January-18
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