Is CVE-2018-6871 being actively exploited?

CVE-2018-6871 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2018-6871?

CVE-2018-6871 has a CVSS 3.0 base score of 9.8 (CRITICAL).

CVE-2018-6871

CRITICAL · CVSS 9.8EPSS 22.8%EU EUVD

LibreOffice before 5.4.5 and 6.x before 6.0.1 allows remote attackers to read arbitrary files via =WEBSERVICE calls in a document, which use the COM.MICROSOFT.WEBSERVICE function.

Key facts

CVSS score: 9.8 (v3.0)
Severity: CRITICAL
CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS score: 22.8% (98th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2018-18617)
Published: February 9, 2018
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2018-18617 in the EU Vulnerability Database. Last updated in EUVD on August 5, 2024.

View on the EU Vulnerability Database

Affected products

canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
debian / debian linux
libreoffice / libreoffice
libreoffice / libreoffice
libreoffice / libreoffice
libreoffice / libreoffice
libreoffice / libreoffice
redhat / enterprise linux desktop
redhat / enterprise linux desktop
redhat / enterprise linux server
redhat / enterprise linux server
redhat / enterprise linux server aus
redhat / enterprise linux server aus
redhat / enterprise linux server eus
redhat / enterprise linux server eus
redhat / enterprise linux server eus
redhat / enterprise linux server tus
redhat / enterprise linux server tus
redhat / enterprise linux workstation
redhat / enterprise linux workstation

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

Red Hat Enterprise Linux 7.6 - Red Hat, Inc. - Common Criteria CCEVS-VR-VID-11039-2020 - archived

References

https://access.redhat.com/errata/RHSA-2018:0418(Third Party Advisory)
https://access.redhat.com/errata/RHSA-2018:0517(Third Party Advisory)
https://cgit.freedesktop.org/libreoffice/core/commit/?h=libreoffice-5-4-5&id=a916fc0c0e0e8b10cb4158fa0fa173fe205d434a(Patch, Third Party Advisory)
https://github.com/jollheef/libreoffice-remote-arbitrary-file-disclosure(Exploit, Third Party Advisory)
https://usn.ubuntu.com/3579-1/(Third Party Advisory)
https://www.debian.org/security/2018/dsa-4111(Third Party Advisory)
https://www.exploit-db.com/exploits/44022/(Exploit, Third Party Advisory, VDB Entry)
https://www.libreoffice.org/about-us/security/advisories/cve-2018-1055/(Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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