How severe is CVE-2018-14668?

CVE-2018-14668 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-14668 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-14668?

CVE-2018-14668 affects Clickhouse. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-14668?

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-2018-14668 published?

CVE-2018-14668 was published on 2019-08-15 and last updated on 2026-06-17.

CVE-2018-14668

CVE-2018-14668 is a high-severity vulnerability in Clickhouse with a CVSS 3.x base score of 8.8. 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-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Clickhouse
Published: 2019-08-15
Last modified: 2026-06-17

Description

In ClickHouse before 1.1.54388, "remote" table function allowed arbitrary symbols in "user", "password" and "default_database" fields which led to Cross Protocol Request Forgery Attacks.

Frequently asked questions

What is CVE-2018-14668?: In ClickHouse before 1.1.54388, "remote" table function allowed arbitrary symbols in "user", "password" and "default_database" fields which led to Cross Protocol Request Forgery Attacks.
How severe is CVE-2018-14668?: CVE-2018-14668 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-14668 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-14668?: CVE-2018-14668 affects Clickhouse. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-14668?: 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-2018-14668 published?: CVE-2018-14668 was published on 2019-08-15 and last updated on 2026-06-17.

References

https://clickhouse.yandex/docs/en/security_changelog/

Affected products (1)

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

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