CVE-2022-31011

TiDB is an open-source NewSQL database that supports Hybrid Transactional and Analytical Processing (HTAP) workloads. Under certain conditions, an attacker can construct malicious authentication requests to bypass the authentication process, resulting in privilege escalation or unauthorized access. Only users using TiDB 5.3.0 are affected by this vulnerability. TiDB version 5.3.1 contains a patch for this issue. Other mitigation strategies include turning off Security Enhanced Mode (SEM), disabling local login for non-root accounts, and ensuring that the same IP cannot be logged in as root and normal user at the same time.

• CWE-287

• https://github.com/pingcap/tidb/releases/tag/v5.3.1Release Notes, Third Party Advisory
• https://github.com/pingcap/tidb/security/advisories/GHSA-4whx-7p29-mq22Mitigation, Third Party Advisory
• https://github.com/pingcap/tidb/releases/tag/v5.3.1Release Notes, Third Party Advisory
• https://github.com/pingcap/tidb/security/advisories/GHSA-4whx-7p29-mq22Mitigation, Third Party Advisory

Published

May 31, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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