How severe is CVE-2022-44010?

CVE-2022-44010 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-2022-44010 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-44010?

CVE-2022-44010 affects Clickhouse. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-44010?

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-2022-44010 published?

CVE-2022-44010 was published on 2023-11-23 and last updated on 2026-06-17.

CVE-2022-44010

CVE-2022-44010 is a high-severity vulnerability in Clickhouse 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-787.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Clickhouse
Published: 2023-11-23
Last modified: 2026-06-17

Description

An issue was discovered in ClickHouse before 22.9.1.2603. An attacker could send a crafted HTTP request to the HTTP Endpoint (usually listening on port 8123 by default), causing a heap-based buffer overflow that crashes the process. This does not require authentication. The fixed versions are 22.9.1.2603, 22.8.2.11, 22.7.4.16, 22.6.6.16, and 22.3.12.19.

Frequently asked questions

What is CVE-2022-44010?: An issue was discovered in ClickHouse before 22.9.1.2603. An attacker could send a crafted HTTP request to the HTTP Endpoint (usually listening on port 8123 by default), causing a heap-based buffer overflow that crashes the process. This does not require authentication. The fixed versions are 22.9.1.2603, 22.8.2.11, 22.7.4.16, 22.6.6.16, and 22.3.12.19.
How severe is CVE-2022-44010?: CVE-2022-44010 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-2022-44010 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-44010?: CVE-2022-44010 affects Clickhouse. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-44010?: 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-2022-44010 published?: CVE-2022-44010 was published on 2023-11-23 and last updated on 2026-06-17.

References

https://clickhouse.com/docs/en/whats-new/security-changelog

Affected products (1)

cpe:2.3:a:clickhouse:clickhouse:*:*:*:*:*:*:*:*

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