What’s Vulnerable › Vulnerabilities

CVE-2019-12623: Cisco Enterprise Network Functions Virtualization Infrastructure Software File Enumeration Vulnerability

• Severity: medium (CVSS 4.3 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-08-21 · updated 2026-06-17
• Weakness: CWE-538

Description

A vulnerability in the web server functionality of Cisco Enterprise Network Functions Virtualization Infrastructure Software (NFVIS) could allow an authenticated, remote attacker to perform file enumeration on an affected system. The vulnerability is due to the web server responding with different error codes for existing and non-existing files. An attacker could exploit this vulnerability by sending GET requests for different file names. A successful exploit could allow the attacker to enumerate files residing on the system.

Affected products

• Cisco Enterprise Network Functions Virtualization Infrastructure: before 3.12.1 — fixed in 3.12.1

How to fix

Upgrade to a fixed version: Cisco Enterprise Network Functions Virtualization Infrastructure 3.12.1. Check the vendor advisory for mitigations.

References

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190821-nfv-enumeration
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190821-nfv-enumeration

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