CVE-2017-12359

medium

Published 2017-11-30 · Modified 2026-05-13

CVSS v3

6.5

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS v2

4.3

VIR risk

6.5

Description

A Buffer Overflow vulnerability in Cisco WebEx Network Recording Player for Advanced Recording Format (.arf) files could allow an attacker to execute arbitrary code on a system. An attacker could exploit this vulnerability by providing a user with a malicious .arf file via email or URL and convincing the user to launch the file. Exploitation of this vulnerability could allow arbitrary code execution on the system of the targeted user. This vulnerability affects Cisco WebEx Business Suite meeting sites, Cisco WebEx Meetings sites, Cisco WebEx Meetings Server, and Cisco WebEx ARF players. Cisco Bug IDs: CSCve10729, CSCve10771, CSCve10779, CSCve11521, CSCve11543.

Predictions

Exploit likelihood

75%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: psirt@cisco.com — https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-webex

Application impact

Vendor	Product	Versions
cisco	webex_meeting_center	`t29`
cisco	webex_meeting_center	`t30`
cisco	webex_meeting_center	`t31`
cisco	webex_meeting_center	`t32`
cisco	webex_meetings_server	`2.6.0`
cisco	webex_meetings_server	`2.7.0`

References

CWEs

CWE-119

Verify integrity in audit chain (admin only). AS-IS.