Is CVE-2019-18657 in the CISA KEV catalog?

No. CVE-2019-18657 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-18657?

CVE-2019-18657 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2019-18657?

CVE-2019-18657 has an EPSS score of 1.47% (71th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-18657?

Upgrade clickhouse to 19.13.5.44 or later.

CVE & CISA-KEV Catalog

CVE-2019-18657

MEDIUMEPSS 71th pctl

5.3

CVSS v3

NVD

Description

ClickHouse before 19.13.5.44 allows HTTP header injection via the url table function.

CWE-74Injection

How to fix

Remediation Available

clickhouseNVD

Affected:< 19.13.5.44Fixed in:19.13.5.44CVE-2019-18657derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Exploit Intelligence

1.47%probability of exploitation in 30 days

71stpercentile

Elevated risk: more likely to be exploited than 71% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory2

Related Vulnerabilities

Other CWE-74 (Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2013-2251	Critical	9.8	100%	KEV	Fix
CVE-2023-22527	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2019-2725	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2022-46169	Critical	9.8	100%	KEV	Fix
CVE-2022-35914	Critical	9.8	100%	KEV	-
CVE-2019-17558	High	7.5	99%	KEV	Fix

Embed a live status badge for CVE-2019-18657

Markdown

[![CVE-2019-18657](https://tridentstack.com/cve/badge/CVE-2019-18657.svg)](https://tridentstack.com/cve/CVE-2019-18657)

HTML

<a href="https://tridentstack.com/cve/CVE-2019-18657"><img src="https://tridentstack.com/cve/badge/CVE-2019-18657.svg" alt="CVE-2019-18657"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-06-25.