HomeCVE-2021-47899

CVE-2021-47899

MEDIUM
6.9CVSS
Published: 2026-01-23
Updated: 2026-01-26
AI Analysis

Description

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.

CVSS Metrics

Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L/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
Attack Vector
network
Complexity
low
Privileges
none
User Action
none
Confidentiality
undefined
Integrity
undefined
Availability
undefined
Weaknesses
CWE-434

Metadata

Primary Vendor
UNKNOWN
Published
1/23/2026
Last Modified
1/26/2026
Source
NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

No affected products information available.

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CVE-CVE-2021-47899 | MEDIUM Severity | CVEDatabase.com | CVEDatabase.com