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CVE-2024-34071

Open Redirect Bypass Protection

MEDIUM
6.1
CVSS Score
Published: May 21, 2024 at 01:31 PM UTC
Updated: June 17, 2026 at 07:32 AM UTC
1 product affected across 1 vendorUmbraco-CMS

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

Umbraco is an ASP.NET CMS used by more than 730.000 websites. Umbraco has an endpoint that is vulnerable to open redirects. The endpoint is protected so it requires the user to be signed into backoffice before the vulnerable is exposed. This vulnerability has been patched in version(s) 8.18.14, 10.8.6, 12.3.10 and 13.3.1.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Umbraco-CMS· Umbraco
95%
v < 10.8.6v < 12.3.10v < 13.3.1v < 8.18.1410.5.0 ≤ v < 10.8.612.0.0 ≤ v < 12.3.1013.0.0 ≤ v < 13.3.18.18.5 ≤ v < 8.18.1410.5.012.0.013.0.08.18.5
Affected range stops below 10.8.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.3.10, so it looks safe — our inference, not a vendor statement
Affected range stops below 13.3.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.18.14, so it looks safe — our inference, not a vendor statement

References (5)

x_refsource_MISCPatch
Source: [email protected]
https://github.com/umbraco/Umbraco-CMS/commit/5f24de308584b9771240a6db1a34630a5114c450
x_refsource_MISCPatch
Source: [email protected]
https://github.com/umbraco/Umbraco-CMS/commit/c17d4e1a600098ec524e4126f4395255476bc33f
x_refsource_MISCPatch
Source: [email protected]
https://github.com/umbraco/Umbraco-CMS/commit/c8f71af646171074c13e5c34f74312def4512031
x_refsource_MISCPatch
Source: [email protected]
https://github.com/umbraco/Umbraco-CMS/commit/d8df405db4ea884bb4b96f088d10d9a2070cf024
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-j74q-mv2c-rxmp

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUMGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-601

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