CVE-2021-47757

HIGH
2026-01-15 [email protected]
8.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Jan 23, 2026 - 18:17 vuln.today
Public exploit code
CVE Published
Jan 15, 2026 - 16:16 nvd
HIGH 8.8

Tags

PHP RCE Patient Management System

Description

Chikitsa Patient Management System 2.0.2 contains an authenticated remote code execution vulnerability in the backup restoration functionality. Authenticated attackers can upload a modified backup zip file with a malicious PHP shell to execute arbitrary system commands on the server.

Analysis

Patient Management System versions up to 2.0.2 is affected by unrestricted upload of file with dangerous type (CVSS 8.8).

Technical Context

This vulnerability (CWE-434: Unrestricted Upload of File with Dangerous Type) exists in the backup restoration component. Chikitsa Patient Management System 2.0.2 contains an authenticated remote code execution vulnerability in the backup restoration functionality. Authenticated attackers can upload a modified backup zip file with a malicious PHP shell to execute arbitrary system commands on the server.

Affected Products

Vendor: Chikitsa. Product: Patient Management System. Versions: up to 2.0.2. Component: backup restoration.

Remediation

Monitor vendor advisories for a patch. Validate file types by content. Store uploads outside web root. Restrict network access to the affected service where possible.

Priority Score

65
Low Medium High Critical
KEV: 0
EPSS: +0.6
CVSS: +44
POC: +20

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CVE-2021-47757 vulnerability details – vuln.today
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