CVE-2021-47899

MEDIUM

4.0

Descripcion

YetiShare File Hosting Script 5.1.0 contains a server-side request forgery vulnerability that allows attackers to read local system files through the remote file upload feature. Attackers can exploit the url parameter in the url_upload_handler endpoint to access sensitive files like /etc/passwd by using file:/// protocol.

Detalles CVE

Puntuacion CVSS v3.14.0

SeveridadMEDIUM

Vector CVSSCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Vector de ataqueLOCAL

ComplejidadLOW

Privilegios requeridosNONE

Interaccion usuarioNONE

Publicado1/23/2026

Ultima modificacion1/26/2026

Fuentenvd

Avistamientos honeypot0

Debilidades (CWE)

CWE-434

Referencias

https://mfscripts.com(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/49534(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/yetishare-file-hosting-script-remote-file-upload-ssrf-vulnerability(disclosure@vulncheck.com)

https://yetishare.com(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/49534(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlaciones IOC

Sin correlaciones registradas

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