Security Advisory

CVE-2018-16886

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2019-01-14 19:00:00

Last updated 2024-08-05 10:32:54

Assigner redhat

CVSS score 6.8

State PUBLISHED

Description

etcd versions 3.2.x before 3.2.26 and 3.3.x before 3.3.11 are vulnerable to an improper authentication issue when role-based access control (RBAC) is used and client-cert-auth is enabled. If an etcd client server TLS certificate contains a Common Name (CN) which matches a valid RBAC username, a remote attacker may authenticate as that user with any valid (trusted) client certificate in a REST API request to the gRPC-gateway.

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