Vulnerability · Published Jun 4, 2021 · Assigned by cisco

CVE-2021-1517Cisco Webex Meetings and Webex Meetings Server Multimedia Sharing Security Bypass Vulnerability

Medium 5.0

In plain English

A medium-severity security flaw in Cisco WebEx Meetings Server from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 58% of all known vulnerabilities).

Severity (CVSS 3.1)5.0Medium

Exploit odds (30 days)0.8%top 42.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability in the multimedia viewer feature of Cisco Webex Meetings and Cisco Webex Meetings Server could allow an authenticated, remote attacker to bypass security protections. This vulnerability is due to unsafe handling of shared content within the multimedia viewer feature. An attacker could exploit this vulnerability by sharing a file through the multimedia viewer feature. A successful exploit could allow the attacker to bypass security protections and prevent warning dialogs from appearing before files are offered to other users.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco WebEx Meetings Server	n/a

Weakness: CWE-693 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N

References

20210602 Cisco Webex Meetings and Webex Meetings Server Multimedia Sharing Security Bypass Vulnerability vendor-advisory, x_refsource_CISCO