CVE-2020-24696: Powerdns Authoritative

High severity, CVSS 8.1. EPSS: 1.4% chance of exploitation in the next 30 days.

An issue was discovered in PowerDNS Authoritative through 4.3.0 when --enable-experimental-gss-tsig is used. A remote, unauthenticated attacker can trigger a race condition leading to a crash, or possibly arbitrary code execution, by sending crafted queries with a GSS-TSIG signature.

Affected products

• Powerdns Authoritative: up to and including 4.3.0

Published 2020-10-02. Last modified 2026-06-17.