CVE-2021-36799: KNX Engineering Tool Software 5

High severity, CVSS 8.8. EPSS: 0.4% chance of exploitation in the next 30 days.

KNX ETS5 through 5.7.6 uses the hard-coded password ETS5Password, with a salt value of Ivan Medvedev, allowing local users to read project information. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

Affected products

• KNX Engineering Tool Software 5: up to and including 5.7.6

Published 2021-07-19. Last modified 2026-06-17.