CVE-2018-18371: Broadcom Advanced Secure Gateway

Medium severity, CVSS 6.5. EPSS: 0.6% chance of exploitation in the next 30 days.

The ASG/ProxySG FTP proxy WebFTP mode allows intercepting FTP connections where a user accesses an FTP server via a ftp:// URL in a web browser. An information disclosure vulnerability in the WebFTP mode allows a malicious user to obtain plaintext authentication credentials for a remote FTP server from the ASG/ProxySG's web listing of the FTP server. Affected versions: ASG 6.6 and 6.7 prior to 6.7.4.2; ProxySG 6.5 prior to 6.5.10.15, 6.6, and 6.7 prior to 6.7.4.2.

Affected products

• Broadcom Advanced Secure Gateway: from 6.7, before 6.7.4.2 (fixed in 6.7.4.2); version 6.6 only
• Broadcom Symantec Proxysg: from 6.5, before 6.5.10.15 (fixed in 6.5.10.15); from 6.7, before 6.7.4.2 (fixed in 6.7.4.2); version 6.6 only

Published 2019-08-30. Last modified 2026-06-17.