What is the CVSS score of CVE-2020-37012?

CVE-2020-37012 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.3%.

Which versions of PHP are affected by CVE-2020-37012?

Tea LaTeX 1.0 contains a critical remote code execution vulnerability (CVSS 9.8) that allows unauthenticated attackers to execute arbitrary commands on affected systems without authentication.

Is there a public PoC exploit available for CVE-2020-37012?

Yes, a public proof-of-concept exploit is available for CVE-2020-37012. Prioritise patching immediately. EPSS: 0.3%.

How to fix or mitigate CVE-2020-37012?

Within 24 hours: Identify all systems running Tea LaTeX 1.0 and immediately isolate them from production networks or disable the /api.php endpoint. Within 7 days: Implement compensating controls (WAF rules blocking /api.php, network segmentation, authentication enforcement). Within 30 days: Decommission Tea LaTeX 1.0 and migrate to a patched alternative or supported LaTeX solution, as no vendor patch exists for this product.

PHP CVE-2020-37012

CRITICAL

OS Command Injection (CWE-78)

2026-01-29 disclosure@vulncheck.com

PHP RCE

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

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

CRITICAL 9.8

DescriptionCVE.org

Tea LaTex 1.0 contains a remote code execution vulnerability that allows unauthenticated attackers to execute arbitrary shell commands through the /api.php endpoint. Attackers can craft a malicious LaTeX payload with shell commands that are executed when processed by the application's tex2png API action.

AnalysisAI

Unauthenticated RCE in Tea LaTeX 1.0 via command injection in /api endpoint. EPSS 0.29% with PoC available.

Technical ContextAI

CWE-78 in /api endpoint. LaTeX rendering services commonly shell out to system commands.

Affected ProductsAI

Tea LaTeX 1.0

RemediationAI

Update or sandbox the LaTeX renderer.

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CVE-2020-37012 vulnerability details – vuln.today

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PHP CVE-2020-37012

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

Affected ProductsAI

RemediationAI

More from same product – last 7 days

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External POC / Exploit Code