CVE-2021-37413 json
GRANDCOM DynWEB before 4.2 contains a SQL Injection vulnerability in the admin login interface.
published 2022-05-19 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-23978
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.9%
- EPSS 1.9% chance of exploitation in 30 days, percentile 80%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- grandcom dynweb 4.2
Exploit prediction
1.94% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/martinkubecka/CVE-References/blob/main/CVE-2021-37413.md referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-89 Improper Neutralization of Special Elements used in an SQL Command
References
-
github.com
/martinkubecka/CVE-References/blob/main/CVE-2021-37413.md
exploit, third-party-advisory
-
grandcom.sk
product
Sources
- CVE List CVE-2021-37413
- NVD CVE-2021-37413
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