CVE-2021-37413

9.8 criticalEPSS 1.9%

Critical (9.8) in grandcom dynweb. EPSS 1.9% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 1.9% chance of exploitation in the next 30 days; higher than 80% of CVEs (scores of 2026-10-31)
CWE: CWE-89
Published: 2022-05-19
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

grandcom:dynweb

References

https://github.com/martinkubecka/CVE-References/blob/main/CVE-2021-37413.md
https://www.grandcom.sk
https://github.com/martinkubecka/CVE-References/blob/main/CVE-2021-37413.md
https://www.grandcom.sk

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