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CVE-2024-43377

14
FAUCET Score

CVE-2024-43377 describes a vulnerability in Umbraco CMS, an ASP.NET content management system, where an authenticated user can access unintended endpoints. This medium-severity vulnerability (CVSS 4.3) has a low attack complexity and requires user authentication, potentially leading to limited confidentiality impact. There is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
>= 14.0.0, < 14.1.2CPE matchmatch criteria
cpe:2.3:a:umbraco:umbraco_cms:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.24%
Probability of exploitation in next 30 days
EPSS Percentile
15.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0024 is in the 18th percentile among its peer group of 21,977 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
nugetpatch availablevia ghsa
Product: Umbraco.CmsFixed in: 14.1.2

Vendor Advisories (1)

nugetGHSA-hrww-x3fq-xcvhmedium

Umbraco CMS Improper Access Control vulnerability

Aug 20, 2024

References

github.com / umbraco/Umbraco-CMS/commit/72bef8861d94a39d5cc9530a04c4797b91fcbecf
Patch
github.com / umbraco/Umbraco-CMS/security/advisories/GHSA-hrww-x3fq-xcvh
Vendor Advisory