CVE-2021-44429: Vercot Serva

High severity, CVSS 7.5. EPSS: 1.9% chance of exploitation in the next 30 days.

Serva 4.4.0 allows remote attackers to cause a denial of service (daemon crash) via a TFTP read (RRQ) request, aka opcode 1, a related issue to CVE-2013-0145.

Affected products

• Vercot Serva: version 4.4.0 only

Published 2021-11-29. Last modified 2026-06-17.