Is CVE-2018-20004 in the CISA KEV catalog?

No. CVE-2018-20004 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-20004?

CVE-2018-20004 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2018-20004?

CVE-2018-20004 has an EPSS score of 2.02% (79th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-20004?

Upgrade mxml on debian 11 to 2.12-2 or later.

CVE & CISA-KEV Catalog

CVE-2018-20004

HIGHEPSS 79th pctl

8.8

CVSS v3

NVD

Description

An issue has been found in Mini-XML (aka mxml) 2.12. It is a stack-based buffer overflow in mxml_write_node in mxml-file.c via vectors involving a double-precision floating point number and the '<order type="real">' substring, as demonstrated by testmxml.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

mxmlDebian

Fixed in:2.12-2CVE-2018-20004

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 InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

2.02%probability of exploitation in 30 days

79thpercentile

Elevated risk: more likely to be exploited than 79% of all known CVEs.

References

Exploit2

Third-Party Advisory1

lists.debian.org

Other references2

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	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.