How severe is CVE-2021-37413?

CVE-2021-37413 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-37413 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-37413?

CVE-2021-37413 affects Grandcom Dynweb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-37413?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-37413 published?

CVE-2021-37413 was published on 2022-05-19 and last updated on 2026-06-17.

CVE-2021-37413

CVE-2021-37413 is a critical-severity vulnerability in Grandcom Dynweb with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Grandcom Dynweb
Published: 2022-05-19
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-37413?: 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.
How severe is CVE-2021-37413?: CVE-2021-37413 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-37413 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-37413?: CVE-2021-37413 affects Grandcom Dynweb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-37413?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-37413 published?: CVE-2021-37413 was published on 2022-05-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:grandcom:dynweb:*:*:*:*:*:*:*:*

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