CVE-2025-34120

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.

CVSS

No CVSS.

References

Link	Resource
https://packetstorm.news/files/id/180855
https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/auxiliary/admin/http/limesurvey_file_download.rb
https://sec-consult.com/vulnerability-lab/advisory/multiple-critical-vulnerabilities-in-lime-survey/
https://web.archive.org/web/20210123073627/https://www.limesurvey.org/blog/22-security/136-limesurvey-security-advisory-10-2015
https://www.vulncheck.com/advisories/limesurvey-unauthenticated-arbitrary-file-download

Configurations

No configuration.

History

No history.

Information

Published : 2025-07-16 21:15

Updated : 2025-07-17 21:15

NVD link : CVE-2025-34120

Mitre link : CVE-2025-34120

CVE.ORG link : CVE-2025-34120

JSON object : View

Products Affected

No product.

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CWE-306

Missing Authentication for Critical Function

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