Is CVE-2018-17189 in the CISA KEV catalog?

No. CVE-2018-17189 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-17189?

CVE-2018-17189 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2018-17189?

CVE-2018-17189 has an EPSS score of 19.40% (97th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-17189?

Upgrade apache2 on debian 11 to 2.4.38-1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2018-17189

MEDIUMEPSS 97th pctl

5.3

CVSS v3

NVD

Description

In Apache HTTP server versions 2.4.37 and prior, by sending request bodies in a slow loris way to plain resources, the h2 stream for that request unnecessarily occupied a server thread cleaning up that incoming data. This affects only HTTP/2 (mod_http2) connections.

CWE-400Resource Exhaustion

How to fix

Remediation Available

apache2Debian

Fixed in:2.4.38-1CVE-2018-17189

apache2Ubuntu

Fixed in:2.4.7-1ubuntu4.22USN-3937-1

Fixed in:2.4.18-2ubuntu3.10USN-3937-1

Fixed in:2.4.29-1ubuntu4.6USN-3937-1

apache2-binUbuntu

Fixed in:2.4.7-1ubuntu4.22USN-3937-1

Fixed in:2.4.18-2ubuntu3.10USN-3937-1

Fixed in:2.4.29-1ubuntu4.6USN-3937-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

19.40%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% of all known CVEs.

References

Related Vulnerabilities

Other CWE-400 (Resource Exhaustion) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-44487	High	7.5	100%	KEV	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2011-3192	High	7.8	99%	-	Fix
CVE-2019-11478	Medium	5.3	95%	-	Fix
CVE-2024-25617	Medium	5.3	89%	-	Fix
CVE-2018-1000115	High	7.5	88%	-	Fix

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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 2024-11-21.