CVE-2022-31011

Unauthorized access via crafted authentication requests

Published May 31, 2022 · Updated Apr 23, 2025

Authentication bypass in PingCAP TiDB 5.3.0 allows local users to gain unauthorized access through malicious authentication requests. The public advisory does not identify the authentication component or the operation that mishandles those requests. Reachability depends on undisclosed conditions; published mitigations indicate that Security Enhanced Mode and local-login account and IP state are involved.

CVSS severity8.4
High
EPSS probability0.31%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Authentication bypass in PingCAP TiDB 5.3.0 allows local users to gain unauthorized access through malicious authentication requests. The public advisory does not identify the authentication component or the operation that mishandles those requests. Reachability depends on undisclosed conditions; published mitigations indicate that Security Enhanced Mode and local-login account and IP state are involved.

The record

CVE
CVE-2022-31011
Published
May 31, 2022
Updated
Apr 23, 2025
Vendor
PingCAP
Product
TiDB
Classifications
CWE-287, T1068
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 31, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 23, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion== 5.3.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

PingCAP · TiDBversion== 5.3.0

Published CVSS scores

8.4GitHubCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
4.6NISTAV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-287Improper Authentication
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo