CVE-2017-12359

CVE-2017-12359 describes a buffer overflow vulnerability in Cisco WebEx Network Recording Player, specifically when handling Advanced Recording Format (.arf) files. This flaw impacts Cisco WebEx Business Suite, WebEx Meetings sites, WebEx Meetings Server, and standalone WebEx ARF players. An attacker could exploit this by tricking a user into opening a malicious .arf file, potentially leading to arbitrary code execution on the victim's system. The vulnerability has a CVSS v3 score of 6.5 (Medium), indicating a network-based attack with low complexity, requiring user interaction, and resulting in high availability impact (denial of service) but no confidentiality or integrity impact. While the EPSS score is low, suggesting a low probability of exploitation, the FAUCET Risk Score is 39/100. Currently, there is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal, aligning with the majority of reported vulnerabilities.