PT-2021-4743 · Cisco · Cisco Webex Player+1

Kushal Arvind Shah · Published 2021-06-02 · Updated 2021-06-15 · CVE-2021-1503

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Cisco Webex Network Recording Player and Cisco Webex Player for Windows and MacOS (affected versions not specified)

Description A vulnerability in the software could allow an attacker to execute arbitrary code on an affected system due to insufficient validation of values in Webex recording files that are in either Advanced Recording Format (ARF) or Webex Recording Format (WRF). An attacker could exploit this vulnerability by sending a user a malicious ARF or WRF file through a link or email attachment and persuading the user to open the file with the affected software on the local system. A successful exploit could allow the attacker to execute arbitrary code on the affected system with the privileges of the targeted user.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-119

CWE-787

Related Identifiers

BDU:2021-05452

CVE-2021-1503

Affected Products

Cisco Webex Network Recording Player

Cisco Webex Player

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2021-1503 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-player-rCFDeVj2 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-1503 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-05452 · Security Note
• https://cybersecurity-help.cz/vdb/SB2021060214 · Note