CVE-2020-15397: Hylafax+ Project Hylafax+

High severity, CVSS 7.8. EPSS: 0.5% chance of exploitation in the next 30 days.

HylaFAX+ through 7.0.2 and HylaFAX Enterprise have scripts that execute binaries from directories writable by unprivileged users (e.g., locations under /var/spool/hylafax that are writable by the uucp account). This allows these users to execute code in the context of the user calling these binaries (often root).

Affected products

• Hylafax+ Project Hylafax+: up to and including 7.0.2
• Ifax Hylafax Enterprise: affected versions not specified

Published 2020-06-30. Last modified 2026-06-17.