CVE-2020-3437 | Cisco SD-WAN vManage Software Information Disclosure Vulnerability
Exp
A vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to read arbitrary files on the underlying filesystem of the device. The vulnerability is due to insufficient file scope limiting. An attacker could exploit this vulnerability by creating a specific file reference on the filesystem and then accessing it through the web-based management interface. A successful exploit could allow the attacker to read arbitrary files from the filesystem of the underlying operating system.
Conclusion & alert: CVE-2020-3437 is rated High Exploit Risk (72.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.88%).Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.65% over the last day, indicating growing attacker interest.Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
Public exploit references (Exploit-DB) for CVE-2020-3437
Exploit prediction scoring system (EPSS) score for CVE-2020-3437
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).