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Cisco Webex Player Memory Corruption Vulnerability

cisco-sa-webex-player-kxtkFbnR · Medium · Published · Updated

A vulnerability in Cisco Webex Player for Windows and MacOS could allow an attacker to cause the affected software to terminate or to gain access to memory state information that is related to the vulnerable application. The vulnerability is due to insufficient validation of values in Webex recording files that are stored in Webex Recording Format (WRF). An attacker could exploit this vulnerability by sending a malicious WRF file to a user as a link or email attachment and then persuading the user to open the file with the affected software on the local system. A successful exploit could allow the attacker to crash the affected software and view memory state information. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-player-kxtkFbnR

Workarounds

There are no workarounds that address this vulnerability.

CVEsCVE-2021-1527
Cisco Bug IDsCSCvx58427
CVSS ScoreBase 5.3
Base 5.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:X/RL:X/RC:X
Product Names From Source
Cisco Webex Meetings, Cisco Webex Network Recording Player

Related Products

Product CVE Evidence
Cisco Webex Network Recording Player CVE-2021-1527 Cisco OpenVuln
Cisco Webex Meetings CVE-2021-1527 Cisco OpenVuln