CVE-2020-37052Public exploitNetwork attack vector

Pre-authentication command execution via Java expression evaluation

Published Jan 30, 2026 · Updated Jan 30, 2026

Code injection in Ubiquiti AirControl 1.4.2 and earlier allows remote attackers to execute arbitrary system commands without authentication. The /.seam actionOutcome handler evaluates attacker-supplied Java expressions, which can invoke Runtime.exec and return command output in a redirect. Network access to the AirControl web service is sufficient, and commands run with the application's system privileges.

CVSS severity9.3
Critical
EPSS probability1.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Code injection in Ubiquiti AirControl 1.4.2 and earlier allows remote attackers to execute arbitrary system commands without authentication. The /.seam actionOutcome handler evaluates attacker-supplied Java expressions, which can invoke Runtime.exec and return command output in a redirect. Network access to the AirControl web service is sufficient, and commands run with the application's system privileges.

The record

CVE
CVE-2020-37052
Published
Jan 30, 2026
Updated
Jan 30, 2026
Vendor
Ubiquiti Inc.
Product
AirControl
Classifications
CWE-94, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 30, 2026CVE publishedPublication date reported by the CVE source.
  2. Jan 30, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=<= 1.4.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Ubiquiti Inc. · AirControlversion=<= 1.4.2

Published CVSS scores

9.3VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
9.8VulnCheckCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-94Improper Control of Generation of Code ('Code Injection')
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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