What is the CVSS score of CVE-2021-47758?

CVE-2021-47758 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.6%.

Which versions of PHP are affected by CVE-2021-47758?

Organizations using Chikitsa Patient Management System 2.0.2 face significant risk from CVE-2021-47758, a unrestricted file upload vulnerability rated CVSS 8.8.

Is there a public PoC exploit available for CVE-2021-47758?

Yes, a public proof-of-concept exploit is available for CVE-2021-47758. Prioritise patching immediately. EPSS: 0.6%.

How to fix or mitigate CVE-2021-47758?

Within 7 days: Identify all affected systems and apply vendor patches promptly. Review file handling controls and restrict upload directories.

PHP CVE-2021-47758

HIGH

Unrestricted Upload of File with Dangerous Type (CWE-434)

2026-01-15 disclosure@vulncheck.com

PHP RCE Patient Management System

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Feb 03, 2026 - 17:53 vuln.today

Public exploit code

CVE Published

Jan 15, 2026 - 16:16 nvd

HIGH 8.8

DescriptionCVE.org

Chikitsa Patient Management System 2.0.2 contains an authenticated remote code execution vulnerability that allows attackers to upload malicious PHP plugins through the module upload functionality. Authenticated attackers can generate and upload a ZIP plugin with a PHP backdoor that enables arbitrary command execution on the server through a weaponized PHP script.

AnalysisAI

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

Technical ContextAI

This vulnerability (CWE-434: Unrestricted Upload of File with Dangerous Type) exists in the module upload component. Chikitsa Patient Management System 2.0.2 contains an authenticated remote code execution vulnerability that allows attackers to upload malicious PHP plugins through the module upload functionality. Authenticated attackers can generate and upload a ZIP plugin with a PHP backdoor that enables arbitrary command execution on the server through a weaponized PHP script.

RemediationAI

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.

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CVE-2021-47758 vulnerability details – vuln.today

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PHP CVE-2021-47758

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

More from same product – last 7 days

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External POC / Exploit Code