How severe is CVE-2022-43766?

CVE-2022-43766 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-43766 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-43766?

CVE-2022-43766 affects Apache Iotdb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-43766?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-43766 published?

CVE-2022-43766 was published on 2022-10-26 and last updated on 2026-06-17.

CVE-2022-43766

CVE-2022-43766 is a high-severity vulnerability in Apache Iotdb with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Apache Iotdb
Published: 2022-10-26
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2022-43766?: CVE-2022-43766 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-43766 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-43766?: CVE-2022-43766 affects Apache Iotdb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-43766?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-43766 published?: CVE-2022-43766 was published on 2022-10-26 and last updated on 2026-06-17.

References

https://lists.apache.org/thread/9pgpb82p5brooy41n8l5q0y9h33db2zn

Affected products (1)

cpe:2.3:a:apache:iotdb:*:*:*:*:*:*:*:*

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