CVE-2024-48929

Umbraco CMS Has Incomplete Server Termination During Explicit Sign-Out

MEDIUM
4.2
CVSS Score
Published: October 22, 2024 at 03:54 PM UTC
Updated: June 17, 2026 at 07:59 AM UTC
1 product affected across 1 vendorUmbraco-CMS

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Severity
MEDIUM4.2
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

Umbraco is a free and open source .NET content management system. In versions on the 13.x branch prior to 13.5.2 and versions on the 10.x branch prior to 10.8.7, during an explicit sign-out, the server session is not fully terminated. Versions 13.5.2 and 10.8.7 contain a patch for the issue.

Affected

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

v < 10.8.7v < 13.5.210.0 ≤ v < 10.8.713.0 ≤ v < 13.5.2
Affected range stops below 10.8.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 13.5.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

4.2MEDIUMGitHub_M
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-384

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