How severe is CVE-2024-43377?

CVE-2024-43377 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2024-43377 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-43377?

CVE-2024-43377 affects Umbraco Umbraco Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-43377?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-43377 have an EU (EUVD) identifier?

Yes. CVE-2024-43377 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2601.

When was CVE-2024-43377 published?

CVE-2024-43377 was published on 2024-08-20 and last updated on 2026-06-17.

CVE-2024-43377

CVE-2024-43377 is a medium-severity vulnerability in Umbraco Umbraco Cms with a CVSS 3.x base score of 5.4. 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-284.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-2601
Weakness: CWE-284
Affected product: Umbraco Umbraco Cms
Published: 2024-08-20
Last modified: 2026-06-17

Description

Umbraco CMS is an ASP.NET CMS. An authenticated user can access a few unintended endpoints. This issue is fixed in 14.1.2.

Frequently asked questions

What is CVE-2024-43377?: Umbraco CMS is an ASP.NET CMS. An authenticated user can access a few unintended endpoints. This issue is fixed in 14.1.2.
How severe is CVE-2024-43377?: CVE-2024-43377 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2024-43377 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-43377?: CVE-2024-43377 affects Umbraco Umbraco Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-43377?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-43377 have an EU (EUVD) identifier?: Yes. CVE-2024-43377 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2601.
When was CVE-2024-43377 published?: CVE-2024-43377 was published on 2024-08-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:umbraco:umbraco_cms:*:*:*:*:*:*:*:*

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