{"attribution":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","cve":{"id":"CVE-2021-31538","sourceIdentifier":"cve@mitre.org","published":"2021-06-10T15:15:09.390","lastModified":"2026-06-17T03:51:58.383","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"LANCOM R\u0026S Unified Firewall (UF) devices running LCOS FX 10.5 allow Relative Path Traversal."},{"lang":"es","value":"Los dispositivos LANCOM R\u0026amp;S Unified Firewall (UF) que ejecutan LCOS FX versión 10.5 permiten un Salto de Ruta Relativo"}],"affected":[{"source":"cve@mitre.org","affectedData":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:N/A:N","baseScore":5.0,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":10.0,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-22"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:lancom-systems:lcos_fx:10.5:-:*:*:*:*:*:*","matchCriteriaId":"35289E04-7F27-4D47-B0FD-6ABFE1708C24"},{"vulnerable":true,"criteria":"cpe:2.3:o:lancom-systems:lcos_fx:10.5:ru1:*:*:*:*:*:*","matchCriteriaId":"0142450C-3A29-440D-84BB-93AAADC09C9C"},{"vulnerable":true,"criteria":"cpe:2.3:o:lancom-systems:lcos_fx:10.5:ru2:*:*:*:*:*:*","matchCriteriaId":"FFEE3742-CF92-4FFB-9581-95B4FAAC6AA3"},{"vulnerable":true,"criteria":"cpe:2.3:o:lancom-systems:lcos_fx:10.5:ru3:*:*:*:*:*:*","matchCriteriaId":"4729094D-FA4B-46A1-9C46-30613ECE3E9D"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:lancom-systems:uf-160:-:*:*:*:*:*:*:*","matchCriteriaId":"EEBD7C73-E17B-4450-8F86-16CC4BF665CF"},{"vulnerable":false,"criteria":"cpe:2.3:h:lancom-systems:uf-260:-:*:*:*:*:*:*:*","matchCriteriaId":"174CCE51-EA04-4F96-ABAD-47E178528FBA"},{"vulnerable":false,"criteria":"cpe:2.3:h:lancom-systems:uf-500:-:*:*:*:*:*:*:*","matchCriteriaId":"FA412F26-AC3A-4659-8513-873ECC33E965"},{"vulnerable":false,"criteria":"cpe:2.3:h:lancom-systems:uf-60:-:*:*:*:*:*:*:*","matchCriteriaId":"CD51511B-5824-410A-93E7-10B713A09B6E"},{"vulnerable":false,"criteria":"cpe:2.3:h:lancom-systems:uf-910:-:*:*:*:*:*:*:*","matchCriteriaId":"92BF4F29-8262-4905-94BA-798C8F35EEE7"}]}]}],"references":[{"url":"https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-010.txt","source":"cve@mitre.org","tags":["Exploit","Third Party Advisory"]},{"url":"https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-010.txt","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"]}]}}