CVE-2021-3328: Aprelium Abyss Web Server x1

High severity, CVSS 7.5. EPSS: 1.8% chance of exploitation in the next 30 days.

An issue was discovered in Aprelium Abyss Web Server X1 2.12.1 and 2.14. A crafted HTTP request can lead to an out-of-bounds read that crashes the application.

Affected products

• Aprelium Abyss Web Server x1: version 2.12.1 only; version 2.14 only

Published 2021-04-08. Last modified 2026-06-17.