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CVE-2022-31011

25
FAUCET Score

CVE-2022-31011 affects TiDB 5.3.0, an open-source NewSQL database, allowing attackers to bypass authentication through malicious requests, leading to privilege escalation or unauthorized access. With a CVSS score of 7.8 (HIGH), this vulnerability has a local attack vector and low attack complexity, potentially resulting in high impact to confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog. A patch is available in TiDB 5.3.1, and mitigation strategies include disabling Security Enhanced Mode or local login for non-root accounts.

Impacted Technologies

VendorProductVersion(s)CPE
5.3.0CPE matchmatch criteria
cpe:2.3:a:pingcap:tidb:5.3.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.31%
Probability of exploitation in next 30 days
EPSS Percentile
23.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0031 is in the 61st percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

gopatch availablevia ghsa
Product: github.com/pingcap/tidbFixed in: 5.3.1
gopatch availablevia ghsa
Product: github.com/pingcap/tidbFixed in: 0.0.0-20220221072141-27ffd1126da1
gopatch availablevia ghsa
Product: github.com/pingcap/tidbFixed in: 1.1.0-beta.0.20220221072141-27ffd1126da1
github_advisoryworkaround availablevia nvd_reference
View patch

Vendor Advisories (1)

goGHSA-4whx-7p29-mq22high

TiDB authentication bypass vulnerability

Jun 6, 2022

References

github.com / pingcap/tidb/releases/tag/v5.3.1
Release NotesThird Party Advisory
github.com / pingcap/tidb/security/advisories/GHSA-4whx-7p29-mq22
MitigationThird Party Advisory