{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-34120","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2025-04-15T19:15:22.561Z","datePublished":"2025-07-16T21:05:34.816Z","dateUpdated":"2025-11-19T14:36:49.930Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","modules":["admin/update/sa/backup"],"product":"LimeSurvey","vendor":"LimeSurvey GmbH","versions":[{"lessThanOrEqual":"2.06+ Build 151014","status":"affected","version":"2.0+","versionType":"custom"}]}],"cpeApplicability":[{"operator":"OR","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:limesurvey:limesurvey:*:*:*:*:*:*:*:*","versionEndIncluding":"2.06","versionStartIncluding":"2.00"}]}]}],"credits":[{"lang":"en","type":"finder","value":"Pichaya Morimoto"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"An unauthenticated file download vulnerability exists in LimeSurvey versions from 2.0+ up to and including 2.06+ Build 151014. The application fails to validate serialized input to the admin backup endpoint (`index.php/admin/update/sa/backup`), allowing attackers to specify arbitrary file paths using a crafted `datasupdateinfo` payload. The files are packaged in a ZIP archive and made available for download without authentication. This vulnerability can be exploited to read arbitrary files on the host system, including sensitive OS and configuration files."}],"value":"An unauthenticated file download vulnerability exists in LimeSurvey versions from 2.0+ up to and including 2.06+ Build 151014. The application fails to validate serialized input to the admin backup endpoint (`index.php/admin/update/sa/backup`), allowing attackers to specify arbitrary file paths using a crafted `datasupdateinfo` payload. The files are packaged in a ZIP archive and made available for download without authentication. This vulnerability can be exploited to read arbitrary files on the host system, including sensitive OS and configuration files."}],"impacts":[{"capecId":"CAPEC-126","descriptions":[{"lang":"en","value":"CAPEC-126 Path Traversal"}]},{"capecId":"CAPEC-137","descriptions":[{"lang":"en","value":"CAPEC-137 Parameter Injection"}]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","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","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-22","description":"CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-306","description":"CWE-306 Missing Authentication for Critical Function","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2025-11-19T14:36:49.930Z"},"references":[{"tags":["vendor-advisory","patch"],"url":"https://web.archive.org/web/20210123073627/https://www.limesurvey.org/blog/22-security/136-limesurvey-security-advisory-10-2015"},{"tags":["third-party-advisory","technical-description"],"url":"https://sec-consult.com/vulnerability-lab/advisory/multiple-critical-vulnerabilities-in-lime-survey/"},{"tags":["exploit"],"url":"https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/auxiliary/admin/http/limesurvey_file_download.rb"},{"tags":["exploit"],"url":"https://packetstorm.news/files/id/180855"},{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/limesurvey-unauthenticated-arbitrary-file-download"}],"source":{"discovery":"UNKNOWN"},"title":"LimeSurvey 2.0+ - 2.06+ Unauthenticated Arbitrary File Download via Serialized Backup Payload","x_generator":{"engine":"vulncheck"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-07-17T19:58:18.809690Z","id":"CVE-2025-34120","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-07-17T19:58:52.455Z"}}]}}