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

RCE Java

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

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.