Is CVE-2021-3854 actively exploited?

No active exploitation of CVE-2021-3854 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-3854 be exploited remotely?

Yes. CVE-2021-3854 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-3854?

CVE-2021-3854 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2021-3854

CRITICAL

CVE-2021-3854

CWE-89Published: March 2, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Glox Technology Useroam Hotspot allows SQL Injection. This issue affects Useroam Hotspot: before 5.1.0.15.

NVD Source

Risk Analysis

Glox Technology Useroam Hotspot versions prior to 5.1.0.15 are susceptible to SQL injection. This critical vulnerability allows remote attackers to execute arbitrary SQL commands against the backend database.

There is no public exploit known for this issue, and it is not in the CISA KEV. The vulnerability is remotely exploitable with low complexity.

Recommended Action

Upgrade to Useroam Hotspot version 5.1.0.15 or later to remediate the vulnerability.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2021-3854 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-89): SQL injection vulnerabilities allow attackers to manipulate database queries, potentially exposing or modifying sensitive data.