CVE-2021-3604

Name: CVE-2021-3604
Creator: NVD / NIST
Published: 2021-06-18T15:15:08.543+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.63%

Last modified Jun 17, 2026

CVE-2021-3604 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Secure 8 (Evalos) does not validate user input data correctly, allowing a remote attacker to perform a Blind SQL Injection. An attacker could exploit this vulnerability in order to extract information of users and administrator accounts stored in the database.. EPSS estimates a 1.63% chance of exploitation in the next 30 days.

Description

Secure 8 (Evalos) does not validate user input data correctly, allowing a remote attacker to perform a Blind SQL Injection. An attacker could exploit this vulnerability in order to extract information of users and administrator accounts stored in the database.

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

1.63%

73.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Primion-Digitek	Secure 8	1.0.1.55

References

http://titaniumaics.blogspot.com/2021/06/vulnerabilidad-zero-day-en-primion.htmlExploit, Third Party Advisory
https://www.incibe-cert.es/en/early-warning/ics-advisories/primion-digitek-secure-8-sql-injection-vulnerabilityThird Party Advisory
http://titaniumaics.blogspot.com/2021/06/vulnerabilidad-zero-day-en-primion.htmlExploit, Third Party Advisory
https://www.incibe-cert.es/en/early-warning/ics-advisories/primion-digitek-secure-8-sql-injection-vulnerabilityThird Party Advisory

Timeline

Published: Jun 18, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-3604?

How severe is CVE-2021-3604?

CVE-2021-3604 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.63% probability of exploitation in the next 30 days.

How do I fix CVE-2021-3604?

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-2021-3604?

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

Scan your code now

Source: NVD / NIST