What is the CVSS score of CVE-2020-37009?

CVE-2020-37009 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: 0.3%.

Which versions of PHP are affected by CVE-2020-37009?

MedDream PACS Server 6.8.3.751 contains a critical vulnerability allowing authenticated users to execute arbitrary code on medical imaging systems.

Is there a public PoC exploit available for CVE-2020-37009?

Yes, a public proof-of-concept exploit is available for CVE-2020-37009. Prioritise patching immediately. EPSS: 0.3%.

How to fix or mitigate CVE-2020-37009?

Within 24 hours: Audit user access logs for suspicious file uploads and disable non-essential user accounts with PACS access. Within 7 days: Implement network segmentation to isolate PACS servers and deploy WAF rules blocking PHP file uploads to the vulnerable endpoint. Within 30 days: Contact vendor for patched version or migration plan; evaluate alternative PACS solutions if no patch timeline is provided.

PHP CVE-2020-37009

HIGH

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

2026-01-29 disclosure@vulncheck.com

PHP RCE

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 - 22:00 vuln.today

PoC Detected

Jan 29, 2026 - 17:16 vuln.today

Public exploit code

CVE Published

Jan 29, 2026 - 15:16 nvd

HIGH 8.8

DescriptionCVE.org

MedDream PACS Server 6.8.3.751 contains an authenticated remote code execution vulnerability that allows authorized users to upload malicious PHP files. Attackers can exploit the uploadImage.php endpoint by authenticating and uploading a PHP shell to execute arbitrary system commands with elevated privileges.

AnalysisAI

MedDream PACS Server 6.8.3.751 contains an authenticated remote code execution vulnerability that allows authorized users to upload malicious PHP files. [CVSS 8.8 HIGH]

Technical ContextAI

Classified as CWE-434 (Unrestricted Upload of File with Dangerous Type). MedDream PACS Server 6.8.3.751 contains an authenticated remote code execution vulnerability that allows authorized users to upload malicious PHP files. Attackers can exploit the uploadImage.php endpoint by authenticating and uploading a PHP shell to execute arbitrary system commands with elevated privileges.

Affected ProductsAI

MedDream PACS Server 6.8.3.751 contains an authenticated remote code execution vulnerability that allows authorized users to upload malicious PHP file

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.