PT-2021-4757 · Cisco · Cisco Webex Player+1

Published 2021-06-02 · Updated 2021-06-14 · CVE-2021-1502

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 Cisco Webex players could allow an attacker to execute arbitrary code on an affected system. The issue is due to insufficient validation of values within Webex recording files formatted as either Advanced Recording Format (ARF) or Webex Recording Format (WRF). An attacker could exploit this by sending a malicious ARF or WRF file through a link or email attachment and persuading the user to open the file. 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

Weakness Enumeration

CWE-119

Related Identifiers

BDU:2021-05475

CVE-2021-1502

Affected Products

Cisco Webex Network Recording Player

Cisco Webex Player

References · 7

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-player-dOJ2jOJ · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1502 · Security Note
• https://bdu.fstec.ru/vul/2021-05475 · Security Note
• https://osv.dev/vulnerability/CVE-2021-1502 · Vendor Advisory
• https://cybersecurity-help.cz/vdb/SB2021060214 · Note
• https://t.me/cvenotify/16283 · Telegram Post
• https://fortiguard.com/zeroday/FG-VD-21-012 · Note