CVE-2022-3023
CWE-134Published: November 4, 2022· Updated: Jun 17, 2026
Official Description
Use of Externally-Controlled Format String in GitHub repository pingcap/tidb prior to 6.4.0, 6.1.3.
Risk Analysis
PingCAP TiDB is susceptible to a format string vulnerability, which can be exploited by remote attackers to achieve critical impact. The CVSS score of 9.8 highlights the severity of this flaw.
No public exploit is known, and the vulnerability is not in the CISA KEV catalog. It is remotely exploitable with low attack complexity.
Upgrade TiDB to version 6.4.0 or 6.1.3 to resolve the vulnerability.
Technical Analysis
CVE-2022-3023 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (4)
Quick Facts
Related CVEs (CWE-134)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-3023 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts