What is CVE-2022-43766?

CVE-2022-43766 is a high-severity vulnerability in Apache Iotdb, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2022-10-26.

How severe is CVE-2022-43766?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2022-43766 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Apache Iotdb

CVE-2022-43766

Apache IoTDB version 0.12.2 to 0.12.6, 0.13.0 to 0.13.2 are vulnerable to a Denial of Service attack when accepting untrusted patterns for REGEXP queries with Java 8. Users should upgrade to 0.13.3 which addresses this issue or use a later version of Java to avoid it.

Vulnerability class: DoS (Denial of Service)

Published 2022-10-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.016 (75.6th percentile), scored 2026-11-01.

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.016 · change: +0.001

Affected products

Apache Iotdb
Apache Software Foundation Iotdb — versions unspecified, 0.12.2

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

Public proof-of-concept exploits

References

lists.apache.org/thread/9pgpb82p5brooy41n8l5q0y9h33db2zn (Mailing List, Vendor Advisory)

Frequently asked questions

What is CVE-2022-43766?: CVE-2022-43766 is a high-severity vulnerability in Apache Iotdb, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2022-10-26.
How severe is CVE-2022-43766?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-43766 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.