CVE-2021-47755
published 2026-01-15CVE-2021-47755: Oliver Library Server v5 contains a file download vulnerability that allows unauthenticated attackers to access arbitrary system files through unsanitized…
PriorityP352high7.5CVSS 3.1
AVNACLPRNUINSUCHINAN
EPSS
0.75%
50.4th percentile
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.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| softlink_education | oliver_library_server | < 8.00.008.053 | 8.00.008.053 |
| softlinkint | oliver_v5_library | < 8.00.008.053 | 8.00.008.053 |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
nvdv4.08.7HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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2026-01-15
Published