CVE-2024-48926 json
Umbraco CMS logout page displayed before session expiration
published 2y ago modified 4mo ago also EUVD-2024-3039 , GHSA-fp6q-gccw-7qqm
- cvss
- 4.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 18%
- public exploits
- 0
- none known
Summary
Umbraco, a free and open source .NET content management system, has an insufficient session expiration issue in versions on the 13.x branch prior to 13.5.2, 10.x prior to 10.8.7, and 8.x prior to 8.18.15. The Backoffice displays the logout page with a session timeout message before the server session has fully expired, causing users to believe they have been logged out approximately 30 seconds before they actually are. Versions 13.5.2, 10.8,7, and 8.18.15 contain a patch for the issue.
Patch / fix
- nuget Umbraco.CMS 10.8.7, 13.5.2
- nuget UmbracoCMS 8.18.15
- umbraco umbraco_cms 8.18.15, 10.8.7, 13.5.2
Is CVE-2024-48926 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2y ago
Exploit prediction
0.27% chance of exploitation in the next 30 days, higher than 18% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.2 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N |
| GitHub | 3.1 | 4.2 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N |
| NVD | 3.1 | 3.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| nuget | Umbraco.CMS | >=13.0.0, <13.5.2 >=10.0.0, <10.8.7 |
13.5.2 10.8.7 |
| nuget | UmbracoCMS | >=8.0.0, <8.18.15 |
8.18.15 |
Affected products
- umbraco Umbraco-CMS
Classification
- Weakness
-
- CWE-613 DEPRECATED: Insufficient Session Expiration
References
-
github.com
/umbraco/Umbraco-CMS/security/advisories/GHSA-fp6q-gccw-7qqm
web, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2024-48926
advisory
-
github.com
/umbraco/Umbraco-CMS
package
Sources
- CVE List CVE-2024-48926
- GitHub Advisory GHSA-fp6q-gccw-7qqm
- NVD CVE-2024-48926
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.