What is CVE-2022-3023?

CVE-2022-3023 is a critical-severity vulnerability in Pingcap Pingcap/tidb, classified under Use of Externally-Controlled Format String. CVSS score: 9.8/10. Published 2022-11-04.

How severe is CVE-2022-3023?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Pingcap Pingcap/tidb

CVE-2022-3023

Use of Externally-Controlled Format String in GitHub repository pingcap/tidb prior to 6.4.0, 6.1.3.

Published 2022-11-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (47.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

Pingcap Pingcap/tidb — versions unspecified
Pingcap Tidb

Weakness classification (CWE)

CWE-134 — Use of Externally-Controlled Format String

References

huntr.dev/bounties/120f1346-e958-49d0-b66c-0f889a469540 (Permissions Required, Third Party Advisory)
github.com/pingcap/tidb/commit/d0376379d615cc8f263a0b17c031ce403c8dcbfb (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-3023?: CVE-2022-3023 is a critical-severity vulnerability in Pingcap Pingcap/tidb, classified under Use of Externally-Controlled Format String. CVSS score: 9.8/10. Published 2022-11-04.
How severe is CVE-2022-3023?: Critical severity. CVSS v3 base score is 9.8 out of 10.