CVE-2021-32574: Hashicorp Consul

High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days.

HashiCorp Consul and Consul Enterprise 1.3.0 through 1.10.0 Envoy proxy TLS configuration does not validate destination service identity in the encoded subject alternative name. Fixed in 1.8.14, 1.9.8, and 1.10.1.

Affected products

  • Hashicorp Consul: from 1.3.0, before 1.8.14 (fixed in 1.8.14); from 1.9.0, before 1.9.8 (fixed in 1.9.8); from 1.10.0, before 1.10.1 (fixed in 1.10.1)

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