CVE-2021-3854

Name: CVE-2021-3854
Creator: NVD / NIST
Published: 2023-03-02T12:15:08.957+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.62%

Last modified Jun 17, 2026

CVE-2021-3854 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 0.62% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.62%

45.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Glox	Useroam Hotspot	< 5.1.0.15

References

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-23-0120
https://www.usom.gov.tr/bildirim/tr-23-0120Third Party Advisory
https://www.usom.gov.tr/bildirim/tr-23-0120Third Party Advisory

Timeline

Published: Mar 2, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-3854?

How severe is CVE-2021-3854?

CVE-2021-3854 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.62% probability of exploitation in the next 30 days.

How do I fix CVE-2021-3854?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-3854?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST