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Vulnerability record · CVE-2018-0103 · published 4 January 2018

CVE-2018-0103: Cisco webex business suite memory buffer overflow vulnerability

Cisco · Webex Business Suite

A Buffer Overflow vulnerability in Cisco WebEx Network Recording Player for Advanced Recording Format (ARF) files could allow a local attacker to execute arbitrary code on the system of a user. The attacker could exploit this vulnerability by sending the user a link or email attachment with a malicious ARF file and persuading the user to follow the link or launch the file. Successful exploitation could allow the attacker to execute arbitrary code on the user's system. 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: CSCvg78835, CSCvg78837, CSCvg78839.

7.8 CVSS 3.0 High EPSS 1.7% · top 23.2% CWE-119 · Memory buffer overflow
7.8CVSS 3.0 base score, v2 9.3
1.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

A Buffer Overflow vulnerability in Cisco WebEx Network Recording Player for Advanced Recording Format (ARF) files could allow a local attacker to execute arbitrary code on the system of a user. The attacker could exploit this vulnerability by sending the user a link or email attachment with a malicious ARF file and persuading the user to follow the link or launch the file. Successful exploitation could allow the attacker to execute arbitrary code on the user's system. 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: CSCvg78835, CSCvg78837, CSCvg78839.

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

Affected products

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

References

LinkTags
http://www.securityfocus.com/bid/102369 Third Party AdvisoryVDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180103-wnrp MitigationVendor Advisory
http://www.securityfocus.com/bid/102369 Third Party AdvisoryVDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180103-wnrp MitigationVendor 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-2018-0264Cisco webex business suite 31 improper input validation vulnerabilityA vulnerability in the Cisco WebEx Network Recording Player for Advanced Recording Format (ARF) files could allow an unauthenticated, remote attacker…EPSS 3.0%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-2017-12370Cisco 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-2017-12368Cisco 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-2017-12371Cisco 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-2017-12367Cisco webex meetings server memory buffer overflow vulnerabilityA "Cisco WebEx Network Recording Player Denial of Service Vulnerability" exists in Cisco WebEx Network Recording Player for Advanced Recording Format…EPSS 2.8%

Source: NIST National Vulnerability Database (record CVE-2018-0103), CISA KEV, FIRST EPSS (scores of 2026-10-12). This page is refreshed as NVD updates the record.