CVE-2023-48379: Softnext Mail Sqr Expert

Medium severity, CVSS 5.3. EPSS: 0.6% chance of exploitation in the next 30 days.

Softnext Mail SQR Expert is an email management platform, it has inadequate filtering for a specific URL parameter within a specific function. An unauthenticated remote attacker can perform Blind SSRF attack to discover internal network topology base on URL error response.

Affected products

• Softnext Mail Sqr Expert: up to and including 230330

Published 2023-12-15. Last modified 2026-06-17.