How severe is CVE-2024-28868?

CVE-2024-28868 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2024-28868 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-28868?

CVE-2024-28868 affects Umbraco Umbraco Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-28868?

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

Does CVE-2024-28868 have an EU (EUVD) identifier?

Yes. CVE-2024-28868 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0821.

When was CVE-2024-28868 published?

CVE-2024-28868 was published on 2024-03-20 and last updated on 2026-06-17.

CVE-2024-28868

CVE-2024-28868 is a low-severity vulnerability in Umbraco Umbraco Cms with a CVSS 3.x base score of 3.7. 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-203.

Key facts

Severity: Low (CVSS 3.x base score 3.7)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-0821
Weakness: CWE-203
Affected product: Umbraco Umbraco Cms
Published: 2024-03-20
Last modified: 2026-06-17

Description

Umbraco is an ASP.NET content management system. Umbraco 10 prior to 10.8.4 with access to the native login screen is vulnerable to a possible user enumeration attack. This issue was fixed in version 10.8.5. As a workaround, one may disable the native login screen by exclusively using external logins.

Frequently asked questions

What is CVE-2024-28868?: Umbraco is an ASP.NET content management system. Umbraco 10 prior to 10.8.4 with access to the native login screen is vulnerable to a possible user enumeration attack. This issue was fixed in version 10.8.5. As a workaround, one may disable the native login screen by exclusively using external logins.
How severe is CVE-2024-28868?: CVE-2024-28868 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2024-28868 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-28868?: CVE-2024-28868 affects Umbraco Umbraco Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-28868?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-28868 have an EU (EUVD) identifier?: Yes. CVE-2024-28868 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0821.
When was CVE-2024-28868 published?: CVE-2024-28868 was published on 2024-03-20 and last updated on 2026-06-17.

References

Affected products (1)

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

More vulnerabilities in Umbraco Umbraco Cms

CVE-2025-67288 — Critical (CVSS 10.0): An arbitrary file upload vulnerability in Umbraco CMS v16.3.3 allows attackers to execute arbitrary code by uploading a…
CVE-2012-10054 — Critical (CVSS 9.8): Umbraco CMS versions prior to 4.7.1 are vulnerable to unauthenticated remote code execution via the codeEditorSave.asmx…
CVE-2014-10074 — Critical (CVSS 9.8): Umbraco before 7.2.0 has a remote PHP code execution vulnerability because…
CVE-2012-1301 — Critical (CVSS 9.8): The FeedProxy.aspx script in Umbraco 4.7.0 allows remote attackers to proxy requests on their behalf via the "url"…
CVE-2025-32017 — High (CVSS 8.8): Umbraco is a free and open source .NET content management system. Authenticated users to the Umbraco backoffice are…
CVE-2020-9471 — High (CVSS 8.8): Umbraco Cloud 8.5.3 allows an authenticated file upload (and consequently Remote Code Execution) via the Install…

All CVEs affecting Umbraco Umbraco Cms →

Other CWE-203 (Observable Discrepancy) vulnerabilities

CVE-2019-25337 — Critical (CVSS 9.8): OwnCloud 8.1.8 contains a username enumeration vulnerability that allows remote attackers to discover user accounts by…
CVE-2026-23519 — Critical (CVSS 9.8): RustCrypto CMOV provides conditional move CPU intrinsics which are guaranteed on major platforms to execute in…
CVE-2025-27667 — Critical (CVSS 9.8): Vasion Print (formerly PrinterLogic) before Virtual Appliance Host 22.0.843 Application 20.0.1923 allows Administrative…
CVE-2024-25714 — Critical (CVSS 9.8): In Rhonabwy through 1.1.13, HMAC signature verification uses a strcmp function that is vulnerable to side-channel…
CVE-2024-25191 — Critical (CVSS 9.8): php-jwt 1.0.0 uses strcmp (which is not constant time) to verify authentication, which makes it easier to bypass…
CVE-2024-25190 — Critical (CVSS 9.8): l8w8jwt 2.2.1 uses memcmp (which is not constant time) to verify authentication, which makes it easier to bypass…

Browse all CWE-203 (Observable Discrepancy) vulnerabilities →