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CVE-2021-47755

Oliver Library Server v5 - Arbitrary File Download

CVSS 8.7 HIGHEPSS 0.8%CWE-22
Vexday Risk Score
21Bajo
Decisión SSVC (CISA)
Track
Sin señal de explotación → monitorear
CVSS 8.7EPSS 0.8%KEV nãoPoC Nuclei Metasploit Patch
Ciclo de vida
15 ene 2026Publicada en NVD
Recomendación: Monitorear — sin señal de explotación por ahora.
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N