CVE-2019-18377: Symantec Messaging Gateway

High severity, CVSS 7.2. EPSS: 1.4% chance of exploitation in the next 30 days.

Symantec Messaging Gateway, prior to 10.7.3, may be susceptible to a privilege escalation vulnerability, which is a type of issue whereby an attacker may attempt to compromise the software application to gain elevated access to resources that are normally protected from an application or user.

Affected products

• Symantec Messaging Gateway: before 10.7.3 (fixed in 10.7.3)

Published 2019-12-11. Last modified 2026-06-17.