Vulnerability identifier: #VU53748

Vulnerability risk: Low

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1527

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Webex Player
Client/Desktop applications / Multimedia software

Vendor:

Description

The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to a boundary error when processing WRF files. A remote attacker can create a specially crafted WRF, trick the victim into opening it, trigger memory corruption and crash the application or view memory state information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-player-kxtkFbnR
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvx58427

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.