TI-2021-01229 Aliases CVE-2021-1502 GHSA-34qr-5fqg-cj38

Cisco Webex Network Recording Player and Webex Player Memory Corruption Vulnerability

LOW 38CWE-119Published 2021-06-04 · Updated 2024-11-07

Key facts

Attack vector: Local
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

A vulnerability in Cisco Webex Network Recording Player for Windows and MacOS and Cisco Webex Player for Windows and MacOS could allow an attacker to execute arbitrary code on an affected system. The vulnerability 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 the 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. A successful exploit could allow the attacker to execute arbitrary code on the affected system with the privileges of the targeted user.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.01081 65th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Cisco	Cisco Webex Meetings	all versions	—	No fix listed	CNA

Cisco Webex Meetings VendorCisco Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 7

CPE	Versions	Role	Vendor
cpe:2.3:a:cisco:webex_meetings_desktop:-:::::windows::	not specified by NVD	Vulnerable	Cisco
cpe:2.3:a:cisco:webex_meetings_online:-:::::::*	not specified by NVD	Vulnerable	Cisco
cpe:2.3:a:cisco:webex_meetings_server:4.0:::::::*	4.0	Vulnerable	Cisco
cpe:2.3:a:cisco:webex_network_recording_player:-:::::windows::	not specified by NVD	Vulnerable	Cisco
cpe:2.3:a:cisco:webex_teams:3.0.15485.0:::::windows::	3.0.15485.0	Vulnerable	Cisco
cpe:2.3:a:cisco:webex_network_recording_player::::::macos::*	before 41.5	Vulnerable	Cisco
cpe:2.3:a:cisco:webex_network_recording_player::::::windows::*	before 41.5	Vulnerable	Cisco

cpe:2.3:a:cisco:webex_meetings_desktop:-:*:*:*:*:windows:*:* Versions not specified by NVD Vulnerable ·Cisco
cpe:2.3:a:cisco:webex_meetings_online:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Cisco
cpe:2.3:a:cisco:webex_meetings_server:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Cisco
cpe:2.3:a:cisco:webex_network_recording_player:-:*:*:*:*:windows:*:* Versions not specified by NVD Vulnerable ·Cisco
cpe:2.3:a:cisco:webex_teams:3.0.15485.0:*:*:*:*:windows:*:* Versions 3.0.15485.0 Vulnerable ·Cisco
cpe:2.3:a:cisco:webex_network_recording_player:*:*:*:*:*:macos:*:* Versions before 41.5 Vulnerable ·Cisco
cpe:2.3:a:cisco:webex_network_recording_player:*:*:*:*:*:windows:*:* Versions before 41.5 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-1502
2026-10-03 Alias added: GHSA-34qr-5fqg-cj38

References

Advisory 1

20210602 Cisco Webex Network Recording Player and Webex Player Memory Corruption Vulnerability

TI-2018-11002 Cisco Webex Meetings Desktop App Update Service Command Injection Vulnerability CVSS 3.0HIGH 7.8
TI-2021-01262 Cisco Webex Meetings, Webex Network Recording Player, and Webex Teams DLL Injection Vulnerability CVSS 3.1HIGH 7.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences