{"id":"CVE-2018-6871","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-6871","generatedAt":"2026-10-28T20:09:00.393Z","title":"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.","description":"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.","published":"2018-02-09T06:29:00.000Z","lastModified":"2026-06-17T02:02:23.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":[],"affected":["libreoffice/libreoffice","debian/debian linux","canonical/ubuntu linux","redhat/enterprise linux desktop","redhat/enterprise linux server","redhat/enterprise linux server aus","redhat/enterprise linux server eus","redhat/enterprise linux server tus","redhat/enterprise linux workstation"],"epss":{"score":0.22803,"percentile":0.97722,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.17573,"percentile":0.97065},{"date":"2026-09-22","score":0.22803,"percentile":0.97631}]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2018-02-10","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":44022,"kind":"exploit","title":"LibreOffice < 6.0.1 - '=WEBSERVICE' Remote Arbitrary File Disclosure","url":"https://www.exploit-db.com/exploits/44022","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/remote/44022.md","file":"exploits/linux/remote/44022.md","published":"2018-02-10","added":"2018-02-12","updated":"2018-02-12","author":"Mikhail Klementev","type":"remote","platform":"linux","port":null,"verified":false,"codes":["CVE-2018-6871"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://github.com/jollheef/libreoffice-remote-arbitrary-file-disclosure/tree/7eb75ff6662e50783824df97c34f6c7f58e71ce5"}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 22.8%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-22T00:00:00.000Z","detail":{"to":0.22803,"from":0.17573,"percentile":0.97631},"summary":"EPSS moved from 17.6% to 22.8% probability of exploitation in the next thirty days."}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2018:0418","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://access.redhat.com/errata/RHSA-2018:0517","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://cgit.freedesktop.org/libreoffice/core/commit/?h=libreoffice-5-4-5&id=a916fc0c0e0e8b10cb4158fa0fa173fe205d434a","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/jollheef/libreoffice-remote-arbitrary-file-disclosure","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://usn.ubuntu.com/3579-1/","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.debian.org/security/2018/dsa-4111","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/44022/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://www.libreoffice.org/about-us/security/advisories/cve-2018-1055/","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://access.redhat.com/errata/RHSA-2018:0418","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2018:0517","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cgit.freedesktop.org/libreoffice/core/commit/?h=libreoffice-5-4-5&id=a916fc0c0e0e8b10cb4158fa0fa173fe205d434a","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/jollheef/libreoffice-remote-arbitrary-file-disclosure","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/3579-1/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2018/dsa-4111","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/44022/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.libreoffice.org/about-us/security/advisories/cve-2018-1055/","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-6871","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}