What is CVE-2020-37052?

CVE-2020-37052 is a critical-severity vulnerability in Ubiquiti, Inc. Aircontrol, classified under Code Injection. CVSS score: 9.8/10. Published 2026-01-30.

How severe is CVE-2020-37052?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Ubiquiti, Inc. Aircontrol

CVE-2020-37052

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.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.012 (64.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ubiquiti, Inc. Aircontrol — versions <= 1.4.2

Weakness classification (CWE)

CWE-94 — Code Injection

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2020-37052?: CVE-2020-37052 is a critical-severity vulnerability in Ubiquiti, Inc. Aircontrol, classified under Code Injection. CVSS score: 9.8/10. Published 2026-01-30.
How severe is CVE-2020-37052?: Critical severity. CVSS v3 base score is 9.8 out of 10.