What is the CVSS score of CVE-2020-37052?

CVE-2020-37052 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: 0.2%.

Which versions of Java are affected by CVE-2020-37052?

AirControl 1.4.2 contains a critical remote code execution vulnerability (CVE-2020-37052) that allows attackers to execute arbitrary commands without authentication.

Is there a public PoC exploit available for CVE-2020-37052?

Yes, a public proof-of-concept exploit is available for CVE-2020-37052. Prioritise patching immediately. EPSS: 0.2%.

How to fix or mitigate CVE-2020-37052?

Within 24 hours: Immediately inventory all systems running AirControl 1.4.2 and isolate them from untrusted networks. Within 7 days: Implement network segmentation, disable remote access to AirControl, and deploy WAF rules blocking malicious Java expression patterns. Within 30 days: Upgrade to a patched version if available from the vendor, or plan decommissioning of the affected product if no remediation path exists.

Java CVE-2020-37052

CRITICAL

Code Injection (CWE-94)

2026-01-30 disclosure@vulncheck.com

Java 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

Feb 03, 2026 - 16:44 vuln.today

Public exploit code

CVE Published

Jan 30, 2026 - 23:16 nvd

CRITICAL 9.8

DescriptionCVE.org

AirControl 1.4.2 contains a pre-authentication remote code execution vulnerability that allows unauthenticated attackers to execute arbitrary system commands through malicious Java expression injection. Attackers can exploit the /.seam endpoint by crafting a specially constructed URL with embedded Java expressions to run commands with the application's system privileges.

AnalysisAI

Pre-authentication RCE in AirControl 1.4.2 network management allows unauthenticated system command execution. PoC available.

Technical ContextAI

CWE-94 pre-auth code execution in AirControl 1.4.2, a Ubiquiti network management tool.

Affected ProductsAI

AirControl 1.4.2

RemediationAI

Update AirControl. Restrict management interface access.

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CVE-2020-37052 vulnerability details – vuln.today

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Java CVE-2020-37052

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

Affected ProductsAI

RemediationAI

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External POC / Exploit Code