CVE-2021-37413

Name: CVE-2021-37413
Creator: NVD / NIST
Published: 2022-05-19T15:15:07.873+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.81%

Last modified Jun 17, 2026

CVE-2021-37413 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. GRANDCOM DynWEB before 4.2 contains a SQL Injection vulnerability in the admin login interface. A remote unauthenticated attacker can exploit this vulnerability to obtain administrative access to the webpage, access the user database, modify web content and upload custom files. EPSS estimates a 1.81% chance of exploitation in the next 30 days.

Description

GRANDCOM DynWEB before 4.2 contains a SQL Injection vulnerability in the admin login interface. A remote unauthenticated attacker can exploit this vulnerability to obtain administrative access to the webpage, access the user database, modify web content and upload custom files. The backend login script does not verify and sanitize user-provided strings.

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

1.81%

75.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Grandcom	Dynweb	< 4.2

References

https://github.com/martinkubecka/CVE-References/blob/main/CVE-2021-37413.mdExploit, Third Party Advisory
https://www.grandcom.skProduct
https://github.com/martinkubecka/CVE-References/blob/main/CVE-2021-37413.mdExploit, Third Party Advisory
https://www.grandcom.skProduct

Timeline

Published: May 19, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-37413?

How severe is CVE-2021-37413?

CVE-2021-37413 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.81% probability of exploitation in the next 30 days.

How do I fix CVE-2021-37413?

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-2021-37413?

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

Scan your code now

Source: NVD / NIST