cbcvebase.
CVE-2021-47755
published 2026-01-15

CVE-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
VendorProductVersion rangeFixed in
softlink_educationoliver_library_server< 8.00.008.0538.00.008.053
softlinkintoliver_v5_library< 8.00.008.0538.00.008.053

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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