TiDB authentication bypass vulnerability
High7.8CVE-2022-31011 · Published Jun 6, 2022 · updated Jul 9, 2025
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| github.com/pingcap/tidb Go | >= 5.3.0, < 5.3.1 | 5.3.1 |
| >= 0.0.0-20210808221113-a7fdc2a05663, < 0.0.0-20220221072141-27ffd1126da1 | 0.0.0-20220221072141-27ffd1126da1 | |
| >= 1.1.0-beta.0.20210808221113-a7fdc2a05663, < 1.1.0-beta.0.20220221072141-27ffd1126da1 | 1.1.0-beta.0.20220221072141-27ffd1126da1 |
Details and references
### Impact 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. ### Patches Please upgrade to TiDB 5.3.1 or higher version ### Workarounds You can also mitigate risks by taking the following measures. Option 1: Turn off SEM (Security Enhanced Mode). Option 2: Disable local login for non-root accounts and ensure that the same IP cannot be logged in as root or normal user at the same time. ### References https://en.pingcap.com/download/ ### For more information If you have any questions or comments about this advisory: * Email us at security@tidb.io
- CVSS 3.1
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Severity from
- GitHub (reviewed advisory)
- Weakness
- CWE-287
- Also known as
- CVE-2022-31011
More tidb advisories
All| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Nov 42022 | TiDB vulnerable to Use of Externally-Controlled Format String CVE-2022-3023Critical9.8no fix yet | Critical9.8 | No fix yet |
| Jun 252024 | PingCAP TiDB nil pointer dereference CVE-2024-37820Medium5.4fixed in 8.2.0 | Medium5.4 | 8.2.0 |