CVE-2021-40281

Name: CVE-2021-40281
Creator: NVD / NIST
Published: 2021-12-09T17:15:07.883+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.11%

Last modified Jun 17, 2026

CVE-2021-40281 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An SQL Injection vulnerability exists in zzcms 8.2, 8.3, 2020, and 2021 in dl/dl_print.php when registering ordinary users.. EPSS estimates a 1.11% chance of exploitation in the next 30 days.

Description

An SQL Injection vulnerability exists in zzcms 8.2, 8.3, 2020, and 2021 in dl/dl_print.php when registering ordinary users.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.11%

61.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Zzcms	Zzcms	8.2
Zzcms	Zzcms	8.3
Zzcms	Zzcms	2020
Zzcms	Zzcms	2021

References

https://gist.github.com/aaaahuia/583b062b686cdff27554e3c6fa5ac94eExploit, Third Party Advisory
https://gist.github.com/aaaahuia/583b062b686cdff27554e3c6fa5ac94eExploit, Third Party Advisory

Timeline

Published: Dec 9, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-40281?

An SQL Injection vulnerability exists in zzcms 8.2, 8.3, 2020, and 2021 in dl/dl_print.php when registering ordinary users.

How severe is CVE-2021-40281?

CVE-2021-40281 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.11% probability of exploitation in the next 30 days.

How do I fix CVE-2021-40281?

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-2021-40281?

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

Scan your code now

Source: NVD / NIST