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Vulnerability record · CVE-2017-12367 · published 30 November 2017

CVE-2017-12367: Cisco webex meetings server memory buffer overflow vulnerability

Cisco · Webex Meetings Server

A "Cisco WebEx Network Recording Player Denial of Service Vulnerability" exists in Cisco WebEx Network Recording Player for Advanced Recording Format (ARF) and WebEx Recording Format (WRF) files. A remote attacker could exploit this by providing a user with a malicious ARF or WRF file via email or URL and convincing the user to launch the file. Exploitation of this could cause an affected player to crash and, in some cases, could allow arbitrary code execution on the system of a targeted user. Cisco Bug IDs: CSCve11545, CSCve02843, CSCve11548.

9.6 CVSS 3.0 Critical EPSS 2.8% · top 13.9% CWE-119 · Memory buffer overflowCWE-20 · Improper input validation
9.6CVSS 3.0 base score, v2 6.8
2.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

A "Cisco WebEx Network Recording Player Denial of Service Vulnerability" exists in Cisco WebEx Network Recording Player for Advanced Recording Format (ARF) and WebEx Recording Format (WRF) files. A remote attacker could exploit this by providing a user with a malicious ARF or WRF file via email or URL and convincing the user to launch the file. Exploitation of this could cause an affected player to crash and, in some cases, could allow arbitrary code execution on the system of a targeted user. Cisco Bug IDs: CSCve11545, CSCve02843, CSCve11548.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/102017 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039895 Third Party AdvisoryVDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-webex-players Vendor Advisory
http://www.securityfocus.com/bid/102017 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039895 Third Party AdvisoryVDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-webex-players Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2021-44228Apache Log4j2 JNDI lookup remote code executionApache Log4j2 versions 2.0-beta9 through 2.15.0 (excluding 2.12.2, 2.12.3, and 2.3.1) do not protect against attacker-controlled LDAP and other JNDI …KEVEPSS 100%analysed9.8CVE-2020-3361Cisco webex meetings improper authentication vulnerabilityA vulnerability in Cisco Webex Meetings and Cisco Webex Meetings Server could allow an unauthenticated, remote attacker to gain unauthorized access t…EPSS 2.4%9.6CVE-2018-0104Cisco webex business suite improper input validation vulnerabilityA vulnerability in Cisco WebEx Network Recording Player for Advanced Recording Format (ARF) files could allow a remote attacker to execute arbitrary …EPSS 3.8%9.6CVE-2017-12368Cisco webex meetings memory buffer overflow vulnerabilityA "Cisco WebEx Network Recording Player Remote Code Execution Vulnerability" exists in Cisco WebEx Network Recording Player for Advanced Recording Fo…EPSS 3.0%9.6CVE-2017-12372Cisco webex meetings server memory buffer overflow vulnerabilityA "Cisco WebEx Network Recording Player Remote Code Execution Vulnerability" exists in Cisco WebEx Network Recording Player for Advanced Recording Fo…EPSS 3.0%9.1CVE-2020-3419Cisco webex meetings server improper control of dynamically-managed code vulnerabilityA vulnerability in Cisco Webex Meetings and Cisco Webex Meetings Server could allow an unauthenticated, remote attacker to join a Webex session witho…EPSS 1.8%9.0CVE-2018-0112Cisco webex meetings server improper input validation vulnerabilityA vulnerability in Cisco WebEx Business Suite clients, Cisco WebEx Meetings, and Cisco WebEx Meetings Server could allow an authenticated, remote att…EPSS 2.6%9.0CVE-2015-0589Cisco webex meetings server improper input validation vulnerabilityThe administrative web interface in Cisco WebEx Meetings Server 1.0 through 1.5 allows remote authenticated users to execute arbitrary OS commands wi…EPSS 3.4%

Source: NIST National Vulnerability Database (record CVE-2017-12367), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.