Is CVE-2018-16858 in the CISA KEV catalog?

No. CVE-2018-16858 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-16858?

CVE-2018-16858 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2018-16858?

CVE-2018-16858 has an EPSS score of 67.32% (99th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-16858?

Upgrade libreoffice on debian 11 to 1:6.1.3-1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2018-16858

HIGHEPSS 99th pctl

7.8

CVSS v3

NVD

Description

It was found that libreoffice before versions 6.0.7 and 6.1.3 was vulnerable to a directory traversal attack which could be used to execute arbitrary macros bundled with a document. An attacker could craft a document, which when opened by LibreOffice, would execute a Python method from a script in any arbitrary file system location, specified relative to the LibreOffice install location.

CWE-356 CWE-22Path Traversal

How to fix

Remediation Available

libreofficeDebian

Fixed in:1:6.1.3-1CVE-2018-16858

libreofficeUbuntu

Fixed in:1:4.2.8-0ubuntu5.5USN-3883-1

Fixed in:1:5.1.6~rc2-0ubuntu1~xenial6USN-3883-1

libreoffice-coreUbuntu

Fixed in:1:4.2.8-0ubuntu5.5USN-3883-1

Fixed in:1:5.1.6~rc2-0ubuntu1~xenial6USN-3883-1

LibreOfficeWindows application

Affected:6.0.7Fixed in:6.0.7The Document Foundation

Affected:6.1.0 6.1.3Fixed in:6.1.3The Document Foundation

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 VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

67.32%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

Exploit2

Vendor Advisory1

libreoffice.org

Third-Party Advisory2

Other references3

Related Vulnerabilities

Other CWE-356 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-6737	High	8.8	3.8%	-	-
CVE-2019-6738	High	8.8	3.7%	-	-
CVE-2019-6736	High	8.8	3.7%	-	-
CVE-2019-13322	High	8.8	2.6%	-	Fix
CVE-2019-17151	Medium	5.4	1.4%	-	Fix
CVE-2025-31334	Medium	6.8	1.2%	-	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.