{"id":"CVE-2018-25439","state":"PUBLISHED","title":"MetInfo CMS < 6.1.1 Unauthenticated Path Traversal via thumb.php dir Parameter","description":"MetInfo CMS 6.0.0 before 6.1.1 contains a path traversal vulnerability in /include/thumb.php that allows unauthenticated attackers to read arbitrary files via the dir parameter. Attackers can send crafted requests with backslash sequences bypassing the str_replace filter to read files like config_db.php on Windows. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-14.","publishedAt":"2026-10-22T10:57:26.044Z","updatedAt":"2026-10-29T11:09:34.251Z","severity":{"score":8.7,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["MetInfo MetInfo"],"affected":[{"vendor":"MetInfo","product":"MetInfo","defaultStatus":"unaffected","versions":[{"version":"6.0.0","status":"affected","lessThan":"6.1.1","versionType":"custom"}]}],"references":["https://web.archive.org/web/20190916061234/https://paper.seebug.org/676/","https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/other/metinfo-lfi.yaml","https://www.metinfo.cn/","https://www.vulncheck.com/advisories/metinfo-cms-6.1.1-unauthenticated-path-traversal-via-thumb-php-dir-parameter"],"weaknesses":["CWE-22"],"ingestedAt":"2026-10-29T19:44:44.295Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2018/25xxx/CVE-2018-25439.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2018-25439","state":"PUBLISHED","datePublished":"2026-10-22T10:57:26.044Z","dateUpdated":"2026-10-29T11:09:34.251Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-14T20:25:26.526Z"},"containers":{"cna":{"title":"MetInfo CMS < 6.1.1 Unauthenticated Path Traversal via thumb.php dir Parameter","descriptions":[{"lang":"en","value":"MetInfo CMS 6.0.0 before 6.1.1 contains a path traversal vulnerability in /include/thumb.php that allows unauthenticated attackers to read arbitrary files via the dir parameter. Attackers can send crafted requests with backslash sequences bypassing the str_replace filter to read files like config_db.php on Windows. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-14."}],"affected":[{"vendor":"MetInfo","product":"MetInfo","defaultStatus":"unaffected","versions":[{"version":"6.0.0","status":"affected","lessThan":"6.1.1","versionType":"custom"}]}],"references":[{"url":"https://web.archive.org/web/20190916061234/https://paper.seebug.org/676/","name":"Archived Seebug Paper 676","tags":["technical-description","exploit"]},{"url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/other/metinfo-lfi.yaml","name":"Nuclei Template","tags":["technical-description"]},{"url":"https://www.metinfo.cn/","name":"Product Webpage","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/metinfo-cms-6.1.1-unauthenticated-path-traversal-via-thumb-php-dir-parameter","name":"VulnCheck Advisory: MetInfo CMS < 6.1.1 Unauthenticated Path Traversal via thumb.php dir Parameter","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":8.7,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","version":"3.1","baseSeverity":"HIGH","baseScore":7.5,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-22","lang":"en","description":"Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-22T10:57:26.044Z"},"datePublic":"2018-08-21T00:00:00.000Z","tags":["x_known-exploited-vulnerability"],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:metinfo:metinfo:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0.0","versionEndExcluding":"6.1.1"}]}]}],"credits":[{"lang":"en","value":"The Shadowserver Foundation","type":"reporter"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"vulncheck-kclub"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-29T11:07:56.303212Z","id":"CVE-2018-25439","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-29T11:09:34.251Z"}}]}}}