CVE-2021-1517

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.

Related CPE's

aciscowebex_meetings_online41.3.5*******

vulnerable

aciscowebex_meetings_server********

vulnerable

aciscowebex_meetings_server3.0-******

vulnerable

aciscowebex_meetings_server3.0maintenance_release1******

vulnerable

aciscowebex_meetings_server3.0maintenance_release2******

vulnerable

aciscowebex_meetings_server3.0maintenance_release3******

vulnerable

aciscowebex_meetings_server4.0-******

vulnerable

aciscowebex_meetings_server4.0maintenance_release1******

vulnerable

aciscowebex_meetings_server4.0maintenance_release2******

vulnerable

aciscowebex_meetings_server4.0maintenance_release3******

vulnerable

References

20210602 Cisco Webex Meetings and Webex Meetings Server Multimedia Sharing Security Bypass Vulnerability

Vendor Advisory

CvssV3 impact

BaseSeverity

MEDIUM

ConfidentialityImpact

NONE

AttackComplexity

LOW

Scope

UNCHANGED

AttackVector

NETWORK

AvailabilityImpact

NONE

IntegrityImpact

LOW

PrivilegesRequired

LOW

BaseScore

4.3

VectorString

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Version

3.1

UserInteraction

NONE

CvssV2 impact

AccessComplexity

LOW

ConfidentialityImpact

NONE

AvailabilityImpact

NONE

IntegrityImpact

PARTIAL

BaseScore

4

VectorString

AV:N/AC:L/Au:S/C:N/I:P/A:N

Version

2.0

AccessVector

NETWORK

Authentication

SINGLE

Created by Yello
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