CVE-2021-30175

Name: CVE-2021-30175
Creator: NVD / NIST
Published: 2021-04-13T14:15:14.363+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 8.55%

Last modified Jun 17, 2026

CVE-2021-30175 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. ZEROF Web Server 1.0 (April 2021) allows SQL Injection via the /HandleEvent endpoint for the login page.. EPSS estimates a 8.55% chance of exploitation in the next 30 days.

Description

ZEROF Web Server 1.0 (April 2021) allows SQL Injection via the /HandleEvent endpoint for the login page.

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

8.55%

94.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Zerof	Web Server	1.0

References

https://github.com/awillix/research/blob/main/cve/CVE-2021-30175.mdThird Party Advisory
https://pro.zerof.ruProduct
https://github.com/awillix/research/blob/main/cve/CVE-2021-30175.mdThird Party Advisory
https://pro.zerof.ruProduct

Timeline

Published: Apr 13, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-30175?

ZEROF Web Server 1.0 (April 2021) allows SQL Injection via the /HandleEvent endpoint for the login page.

How severe is CVE-2021-30175?

CVE-2021-30175 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 8.55% probability of exploitation in the next 30 days.

How do I fix CVE-2021-30175?

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-2021-30175?

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

Scan your code now

Source: NVD / NIST