CVE-2021-47755
Published: Jan 15, 2026
Modified: Apr 7, 2026
CVSS v3.1
7.5
Description
Oliver Library Server v5 contains a file download vulnerability that allows unauthenticated attackers to access arbitrary system files through unsanitized input in the FileServlet endpoint. Attackers can exploit the vulnerability by manipulating the 'fileName' parameter to download sensitive files from the server's filesystem.
| Vendor | Product | Versions |
|---|---|---|
Softlink Education | Oliver Library Server | affected < 8.00.008.053 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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