How severe is CVE-2024-46331?

CVE-2024-46331 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-46331 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-46331?

CVE-2024-46331 affects Modstart Mostartcms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-46331?

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

Does CVE-2024-46331 have an EU (EUVD) identifier?

Yes. CVE-2024-46331 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-41822.

When was CVE-2024-46331 published?

CVE-2024-46331 was published on 2024-09-27 and last updated on 2026-06-17.

CVE-2024-46331

CVE-2024-46331 is a high-severity vulnerability in Modstart Mostartcms with a CVSS 3.x base score of 7.2. 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-601.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-41822
Weakness: CWE-601
Affected product: Modstart Mostartcms
Published: 2024-09-27
Last modified: 2026-06-17

Description

ModStartCMS v8.8.0 was discovered to contain an open redirect vulnerability in the redirect parameter at /admin/login. This vulnerability allows attackers to redirect users to an arbitrary website via a crafted URL.

Frequently asked questions

What is CVE-2024-46331?: ModStartCMS v8.8.0 was discovered to contain an open redirect vulnerability in the redirect parameter at /admin/login. This vulnerability allows attackers to redirect users to an arbitrary website via a crafted URL.
How severe is CVE-2024-46331?: CVE-2024-46331 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-46331 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-46331?: CVE-2024-46331 affects Modstart Mostartcms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-46331?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-46331 have an EU (EUVD) identifier?: Yes. CVE-2024-46331 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-41822.
When was CVE-2024-46331 published?: CVE-2024-46331 was published on 2024-09-27 and last updated on 2026-06-17.

References

https://github.com/whiteshark2k/ModStartCMS-OpenRedirect/blob/main/ModStartCMS-OpenRedirect.md

Affected products (1)

cpe:2.3:a:modstart:mostartcms:8.8.0:*:*:*:*:*:*:*

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