CVE-2021-34805: Land-Software Faust Iserver

High severity, CVSS 7.5. EPSS: 26.8% chance of exploitation in the next 30 days.

An issue was discovered in FAUST iServer before 9.0.019.019.7. For each URL request, it accesses the corresponding .fau file on the operating system without preventing %2e%2e%5c directory traversal.

Affected products

• Land-Software Faust Iserver: from 9.0.017.017.1-3, before 9.0.019.019.7 (fixed in 9.0.019.019.7)

Published 2022-01-31. Last modified 2026-06-17.