CVE-2021-3854Network attack vector

Unintended database statements via undisclosed SQL input

Published Mar 2, 2023 · Updated May 18, 2026

SQL injection in Glox Technology Useroam Hotspot before 5.1.0.15 allows remote attackers to execute unintended database statements. The CNA and referenced national CERT advisory do not disclose the affected endpoint, parameter, or database operation that fails to neutralize SQL syntax. No authentication or user interaction is required; the exact data and service consequences are not publicly bounded.

CVSS severity9.8
Critical
EPSS probability0.63%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SQL injection in Glox Technology Useroam Hotspot before 5.1.0.15 allows remote attackers to execute unintended database statements. The CNA and referenced national CERT advisory do not disclose the affected endpoint, parameter, or database operation that fails to neutralize SQL syntax. No authentication or user interaction is required; the exact data and service consequences are not publicly bounded.

The record

CVE
CVE-2021-3854
Published
Mar 2, 2023
Updated
May 18, 2026
Vendor
Glox Technology
Product
Useroam Hotspot
Classifications
CWE-89, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 2, 2023CVE publishedPublication date reported by the CVE source.
  2. May 18, 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=0 <5.1.0.15

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Glox Technology · Useroam Hotspotversion=0 <5.1.0.15

Published CVSS scores

9.8Computer Emergency Response Team of the Republic of TurkeyCVSS: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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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 exploitUnconfirmed

Weakness, pattern, technique

CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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