LimeSurvey 2.0+ - 2.06+ Unauthenticated Arbitrary File Download via Serialized Backup Payload
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
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| LimeSurvey GmbH | LimeSurvey | unaffected |
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| Vendor | Product | Versions |
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| Limesurvey | Limesurvey | — |
| Source | ID | Title |
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EUVD |
EUVD-2025-21750 | 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. |
No CVSS v3.1
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: 2.0% (1.989% probability within 30 days)
| Type | Values Removed | Values Added |
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| CPEs | cpe:2.3:a:limesurvey:limesurvey:*:*:*:*:*:*:*:* |
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| Metrics |
ssvc
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| Type | Values Removed | Values Added |
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| Description | 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. | |
| Title | LimeSurvey 2.0+ - 2.06+ Unauthenticated Arbitrary File Download via Serialized Backup Payload | |
| Weaknesses | CWE-22 CWE-306 |
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| References |
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| Metrics |
cvssV4_0
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