What is the CVSS score of CVE-2020-37073?

CVE-2020-37073 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: 0.1%.

Which versions of PHP are affected by CVE-2020-37073?

Victor CMS versions up to 1.0 contain a critical file upload vulnerability that allows attackers to upload and execute malicious files, potentially leading to complete system compromise.

Is there a public PoC exploit available for CVE-2020-37073?

Yes, a public proof-of-concept exploit is available for CVE-2020-37073. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2020-37073?

Within 24 hours: Identify all systems running Victor CMS version 1.0 or earlier and isolate them from production networks if possible. Within 7 days: Implement Web Application Firewall (WAF) rules to restrict file upload functionality to whitelisted file types only, disable the upload feature if not critical to operations, and enable detailed logging of all upload attempts. Within 30 days: Migrate to an alternative CMS solution or work with Victor CMS vendor for a security update, conduct forensic analysis for any unauthorized uploads, and perform full security assessment of affected systems.

PHP CVE-2020-37073

HIGH

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

2026-02-03 disclosure@vulncheck.com

PHP Victor Cms Victor Cms Project

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

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 10, 2026 - 14:52 vuln.today

Public exploit code

CVE Published

Feb 03, 2026 - 22:16 nvd

HIGH 8.8

DescriptionCVE.org

Victor CMS 1.0 contains an authenticated file upload vulnerability that allows administrators to upload PHP files with arbitrary content through the user_image parameter. Attackers can upload a malicious PHP shell to the /img/ directory and execute system commands by accessing the uploaded file with a 'cmd' parameter.

AnalysisAI

Victor Cms versions up to 1.0 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 user_image component. Victor CMS 1.0 contains an authenticated file upload vulnerability that allows administrators to upload PHP files with arbitrary content through the user_image parameter. Attackers can upload a malicious PHP shell to the /img/ directory and execute system commands by accessing the uploaded file with a 'cmd' parameter.

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-2020-37073 vulnerability details – vuln.today

Back

PHP CVE-2020-37073

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

More in PHP

Same weakness CWE-434 – Unrestricted Upload of File with Dangerous Type

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External POC / Exploit Code